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cmsrbolnn003ne0p2a9nwbpz2
contributor_item
Submission NWBPZ2
false
import json, csv, io def transform(text): data = json.loads(text) out = io.StringIO() writer = csv.writer(out) writer.writerow(['name', 'salary', 'bonus', 'total']) for row in data: bonus = round(row['salary'] * row['bonus_pct']) total = row['salary'] + bonus writer.writerow...
[{"name": "Alice", "salary": 75000, "bonus_pct": 0.1}, {"name": "Bob", "salary": 90000, "bonus_pct": 0.15}, {"name": "Carol", "salary": 60000, "bonus_pct": 0.08}]
"name,salary,bonus,total\r\nAlice,75000,7500,82500\r\nBob,90000,13500,103500\r\nCarol,60000,4800,64800"
Read a JSON array of employee records and output a CSV with headers name, salary, bonus, total. Bonus is salary * bonus_pct (rounded to integer). Total is salary + bonus.
cmsrbolnn003qe0p2xjgrak2q
contributor_item
Submission GRAK2Q
false
import json def transform(text): data = json.loads(text) seen = set() result = [] for item in data: if item not in seen: seen.add(item) result.append(item) return json.dumps(result)
[3, 1, 4, 1, 5, 9, 2, 6, 5, 3, 5]
[ 3, 1, 4, 5, 9, 2, 6 ]
Deduplicate a JSON array of integers, preserving the first occurrence of each value, and return the result as a JSON array.
cmsrbolnn003ce0p2eou0bfqb
contributor_item
Submission U0BFQB
false
import re def transform(text): results = [] for line in text.strip().split('\n'): digits = re.sub(r'\D', '', line) if len(digits) == 11 and digits.startswith('1'): results.append(f'+{digits}') elif len(digits) == 10: results.append(f'+1{digits}') return '\n'....
+1 (555) 123-4567 555.987.6543 (800) 555-0100 5550001234
"+15551234567\n+15559876543\n+18005550100\n+15550001234"
Normalize US phone numbers to E.164 format (+1XXXXXXXXXX), stripping all non-digit characters and prepending +1 for 10-digit numbers.
cmsrbolnn003le0p2p0tsknz7
contributor_item
Submission TSKNZ7
false
import json def transform(text): tasks = [] for line in text.strip().split('\n'): line = line.strip() if line.startswith('- ['): done = line[3] == 'x' title = line[6:].strip() tasks.append({"title": title, "done": done}) return json.dumps(tasks)
- [x] Buy groceries - [ ] Write documentation - [x] Fix bug #123 - [ ] Deploy to production
[ { "title": "Buy groceries", "done": true }, { "title": "Write documentation", "done": false }, { "title": "Fix bug #123", "done": true }, { "title": "Deploy to production", "done": false } ]
Parse a Markdown-style task list and return a JSON array of objects with 'title' (string) and 'done' (boolean) fields.
cmsrbolnn003ee0p2tvu538ul
contributor_item
Submission U538UL
false
def transform(text): domains = sorted(set( line.strip().split('@')[1] for line in text.strip().split('\n') if '@' in line.strip() )) return '\n'.join(domains)
alice@example.com bob@company.org carol@example.com dave@university.edu eve@company.org
"company.org\nexample.com\nuniversity.edu"
Extract unique domain names from a list of email addresses and return them sorted alphabetically, one per line.
cmsrbolnn003de0p292m4h2e7
contributor_item
Submission M4H2E7
false
import json def transform(text): result = {} section = None for line in text.strip().split('\n'): line = line.strip() if not line or line.startswith(';'): continue if line.startswith('[') and line.endswith(']'): section = line[1:-1] result[section...
[database] host=localhost port=5432 name=mydb [cache] host=redis port=6379 ttl=3600
{ "database": { "host": "localhost", "port": "5432", "name": "mydb" }, "cache": { "host": "redis", "port": "6379", "ttl": "3600" } }
Parse an INI-style configuration file into a nested JSON object where each section becomes a key and its entries become key-value pairs.
cmsrbolnn003fe0p2a0uj4yf4
contributor_item
Submission UJ4YF4
false
import json, re from collections import Counter def transform(text): methods = Counter( re.search(r'"(\w+) ', line).group(1) for line in text.strip().split('\n') if line.strip() ) return json.dumps(dict(sorted(methods.items())))
192.168.1.1 - - [01/Aug/2026:10:00:01 +0000] "GET /api/users HTTP/1.1" 200 1234 192.168.1.2 - - [01/Aug/2026:10:00:02 +0000] "POST /api/users HTTP/1.1" 201 567 192.168.1.1 - - [01/Aug/2026:10:00:03 +0000] "GET /api/items HTTP/1.1" 200 890 192.168.1.3 - - [01/Aug/2026:10:00:04 +0000] "DELETE /api/users/5 HTTP/1.1" 204 0...
{ "DELETE": 1, "GET": 3, "POST": 1 }
Parse Apache-style access log lines and return a JSON object counting requests by HTTP method, sorted alphabetically by method name.
cmsrbolnn003he0p2stll75ms
contributor_item
Submission LL75MS
false
import json from collections import Counter def transform(text): words = text.strip().lower().split() top3 = dict(Counter(words).most_common(3)) return json.dumps(top3)
apple banana apple cherry banana apple cherry cherry cherry banana
{ "cherry": 4, "apple": 3, "banana": 3 }
Count word frequency in the input text and return a JSON object with the top 3 most frequent words mapped to their counts.
cmsrbolnn003je0p26doib6mg
contributor_item
Submission OIB6MG
false
import json def transform(text): result = {} for line in text.strip().split('\n'): if '=' in line: k, _, v = line.partition('=') k = k.strip() if k.startswith('app_'): result[k[4:]] = v.strip() return json.dumps(result)
app_name=MyApp app_version=1.2.3 db_host=localhost db_port=5432 app_debug=true
{ "name": "MyApp", "version": "1.2.3", "debug": "true" }
Extract only the key=value pairs whose keys start with 'app_', strip the prefix, and return the remaining pairs as a JSON object.
cmsrbolnn003ie0p2iu25l5e8
contributor_item
Submission 25L5E8
false
def transform(text): return '\n'.join( '|'.join(line.split('\t')) for line in text.strip().split('\n') )
Name Age City Alice 30 New York Bob 25 San Francisco
"Name|Age|City\nAlice|30|New York\nBob|25|San Francisco"
Convert a tab-delimited string to a pipe-delimited string, preserving all rows and columns.
cmsrbolnn003se0p2w6swflp8
contributor_item
Submission SWFLP8
false
import json def transform(text): data = json.loads(text) lines = [] for k, v in data.items(): if isinstance(v, bool): lines.append(f"{k}: {'true' if v else 'false'}") else: lines.append(f"{k}: {v}") return '\n'.join(lines)
{"host": "localhost", "port": 5432, "database": "myapp", "ssl": true}
"host: localhost\nport: 5432\ndatabase: myapp\nssl: true"
Convert a flat JSON object to a YAML-style text representation with one key: value pair per line. Boolean values should appear as 'true' or 'false' (lowercase).
cmsrbolnn003re0p2d6jjtxfy
contributor_item
Submission JJTXFY
false
import csv, io, json from collections import defaultdict def transform(text): reader = csv.DictReader(io.StringIO(text.strip()), delimiter='\t') totals = defaultdict(int) for row in reader: totals[row['Region']] += int(row['Sales']) return json.dumps(dict(sorted(totals.items())))
Region Product Sales North Widget 500 South Gadget 300 North Gadget 700 South Widget 400 East Widget 200 North Widget 300
{ "East": 200, "North": 1500, "South": 700 }
Parse a tab-separated sales report and return a JSON object mapping each region to its total sales, sorted alphabetically by region name.
cmsrbolnn003pe0p2tvq6z9s9
contributor_item
Submission Q6Z9S9
false
import re def transform(text): def parse_duration(s): total = 0 m = re.search(r'(\d+)h', s) if m: total += int(m.group(1)) * 3600 m = re.search(r'(\d+)m', s) if m: total += int(m.group(1)) * 60 m = re.search(r'(\d+)s', s) if m: total += int(m.group(1)) ...
1h 30m 45s 2h 15m 45m 30s 1h
"5445\n8100\n2730\n3600"
Convert duration strings (e.g. '1h 30m 45s') to total seconds. Each line is one duration; output one integer per line.
cmsrcbdop001oq2p2xec70g90
contributor_item
Submission C70G90
false
import json def transform(text): d=json.loads(text); out={} for r in d['transactions']: out[r['account']]=out.get(r['account'],0)+r['amount'] return json.dumps(dict(sorted(out.items())),separators=(',',':')) # scenario 0
{"transactions":[{"account":"A","amount":5},{"account":"B","amount":3},{"account":"A","amount":-2}],"batch":0}
{ "A": 3, "B": 3 }
Aggregate JSON transactions by account and return compact sorted JSON balances. Scenario family 1.
cmsrcbdop0026q2p20le9l1n5
contributor_item
Submission E9L1N5
false
import json def transform(text): d={} for line in text.strip().splitlines(): u,r=line.split('|'); d.setdefault(u,set()).add(r) return json.dumps({u:sorted(d[u]) for u in sorted(d)},separators=(',',':')) # scenario 3
alice|admin bob|viewer alice|editor bob|viewer
{ "alice": [ "admin", "editor" ], "bob": [ "viewer" ] }
Parse pipe-delimited user,role rows, deduplicate roles, and return compact sorted JSON. Scenario family 4.
cmsrcbdop001wq2p2cwvto3az
contributor_item
Submission VTO3AZ
false
import json def transform(text): d={} for line in text.strip().splitlines(): u,r=line.split('|'); d.setdefault(u,set()).add(r) return json.dumps({u:sorted(d[u]) for u in sorted(d)},separators=(',',':')) # scenario 1
alice|admin bob|viewer alice|editor bob|viewer
{ "alice": [ "admin", "editor" ], "bob": [ "viewer" ] }
Parse pipe-delimited user,role rows, deduplicate roles, and return compact sorted JSON. Scenario family 2.
cmsrcbdop001xq2p2kijzijp2
contributor_item
Submission JZIJP2
false
import json def transform(text): a=json.loads(text)['values']; return json.dumps({'min':min(a),'max':max(a),'sum':sum(a),'mean':round(sum(a)/len(a),2)},separators=(',',':')) # scenario 1
{"values":[4,9,2,5],"batch":1}
{ "min": 2, "max": 9, "sum": 20, "mean": 5 }
From JSON integer values, return compact JSON containing min, max, sum, and rounded mean. Scenario family 2.
cmsrcbdop0027q2p2ikksv03o
contributor_item
Submission KSV03O
false
import json def transform(text): a=json.loads(text)['values']; return json.dumps({'min':min(a),'max':max(a),'sum':sum(a),'mean':round(sum(a)/len(a),2)},separators=(',',':')) # scenario 3
{"values":[4,9,2,5],"batch":3}
{ "min": 2, "max": 9, "sum": 20, "mean": 5 }
From JSON integer values, return compact JSON containing min, max, sum, and rounded mean. Scenario family 4.
cmsrcbdop001qq2p2vdj95w06
contributor_item
Submission J95W06
false
import json def transform(text): d=json.loads(text); rows=sorted((r for r in d['records'] if r['score']>=d['threshold']),key=lambda r:r['id']) return json.dumps([{'id':r['id'],'name':r['name']} for r in rows],separators=(',',':')) # scenario 0
{"threshold":7,"records":[{"id":3,"name":"C","score":8},{"id":1,"name":"A","score":6},{"id":2,"name":"B","score":9}],"batch":0}
[ { "id": 2, "name": "B" }, { "id": 3, "name": "C" } ]
Filter JSON records whose score meets threshold, sort by id, and return id/name pairs as compact JSON. Scenario family 1.
cmsrcbdop001pq2p2f759yejl
contributor_item
Submission 59YEJL
false
import csv,io,json def transform(text): out={} for r in csv.DictReader(io.StringIO(text)): out[r['category']]=out.get(r['category'],0)+int(r['value']) return json.dumps(dict(sorted(out.items())),separators=(',',':')) # scenario 0
category,value x,5 y,2 x,4 z,1
{ "x": 9, "y": 2, "z": 1 }
Parse CSV category,value rows and return compact JSON totals sorted by category. Scenario family 1.
cmsrcbdop001rq2p2ncqk7xm7
contributor_item
Submission QK7XM7
false
import json def transform(text): d={} for line in text.strip().splitlines(): u,r=line.split('|'); d.setdefault(u,set()).add(r) return json.dumps({u:sorted(d[u]) for u in sorted(d)},separators=(',',':')) # scenario 0
alice|admin bob|viewer alice|editor bob|viewer
{ "alice": [ "admin", "editor" ], "bob": [ "viewer" ] }
Parse pipe-delimited user,role rows, deduplicate roles, and return compact sorted JSON. Scenario family 1.
cmsrcbdop001uq2p2rwwzsvcc
contributor_item
Submission WZSVCC
false
import csv,io,json def transform(text): out={} for r in csv.DictReader(io.StringIO(text)): out[r['category']]=out.get(r['category'],0)+int(r['value']) return json.dumps(dict(sorted(out.items())),separators=(',',':')) # scenario 1
category,value x,5 y,2 x,4 z,1
{ "x": 9, "y": 2, "z": 1 }
Parse CSV category,value rows and return compact JSON totals sorted by category. Scenario family 2.
cmsrcbdop001sq2p244kta64f
contributor_item
Submission KTA64F
false
import json def transform(text): a=json.loads(text)['values']; return json.dumps({'min':min(a),'max':max(a),'sum':sum(a),'mean':round(sum(a)/len(a),2)},separators=(',',':')) # scenario 0
{"values":[4,9,2,5],"batch":0}
{ "min": 2, "max": 9, "sum": 20, "mean": 5 }
From JSON integer values, return compact JSON containing min, max, sum, and rounded mean. Scenario family 1.
cmsrcbdop001vq2p2bn1yrznr
contributor_item
Submission 1YRZNR
false
import json def transform(text): d=json.loads(text); rows=sorted((r for r in d['records'] if r['score']>=d['threshold']),key=lambda r:r['id']) return json.dumps([{'id':r['id'],'name':r['name']} for r in rows],separators=(',',':')) # scenario 1
{"threshold":7,"records":[{"id":3,"name":"C","score":8},{"id":1,"name":"A","score":6},{"id":2,"name":"B","score":9}],"batch":1}
[ { "id": 2, "name": "B" }, { "id": 3, "name": "C" } ]
Filter JSON records whose score meets threshold, sort by id, and return id/name pairs as compact JSON. Scenario family 2.
cmsrcbdop001tq2p2gnxamvf1
contributor_item
Submission XAMVF1
false
import json def transform(text): d=json.loads(text); out={} for r in d['transactions']: out[r['account']]=out.get(r['account'],0)+r['amount'] return json.dumps(dict(sorted(out.items())),separators=(',',':')) # scenario 1
{"transactions":[{"account":"A","amount":5},{"account":"B","amount":3},{"account":"A","amount":-2}],"batch":1}
{ "A": 3, "B": 3 }
Aggregate JSON transactions by account and return compact sorted JSON balances. Scenario family 2.
cmsrcbdop001yq2p2h35x64eo
contributor_item
Submission 5X64EO
false
import json def transform(text): d=json.loads(text); out={} for r in d['transactions']: out[r['account']]=out.get(r['account'],0)+r['amount'] return json.dumps(dict(sorted(out.items())),separators=(',',':')) # scenario 2
{"transactions":[{"account":"A","amount":5},{"account":"B","amount":3},{"account":"A","amount":-2}],"batch":2}
{ "A": 3, "B": 3 }
Aggregate JSON transactions by account and return compact sorted JSON balances. Scenario family 3.
cmsrcbdop001zq2p2ndj1hup0
contributor_item
Submission J1HUP0
false
import csv,io,json def transform(text): out={} for r in csv.DictReader(io.StringIO(text)): out[r['category']]=out.get(r['category'],0)+int(r['value']) return json.dumps(dict(sorted(out.items())),separators=(',',':')) # scenario 2
category,value x,5 y,2 x,4 z,1
{ "x": 9, "y": 2, "z": 1 }
Parse CSV category,value rows and return compact JSON totals sorted by category. Scenario family 3.
cmsrcbdop0022q2p2x6oxcbn0
contributor_item
Submission OXCBN0
false
import json def transform(text): a=json.loads(text)['values']; return json.dumps({'min':min(a),'max':max(a),'sum':sum(a),'mean':round(sum(a)/len(a),2)},separators=(',',':')) # scenario 2
{"values":[4,9,2,5],"batch":2}
{ "min": 2, "max": 9, "sum": 20, "mean": 5 }
From JSON integer values, return compact JSON containing min, max, sum, and rounded mean. Scenario family 3.
cmsrcbdop0023q2p2s43im90q
contributor_item
Submission 3IM90Q
false
import json def transform(text): d=json.loads(text); out={} for r in d['transactions']: out[r['account']]=out.get(r['account'],0)+r['amount'] return json.dumps(dict(sorted(out.items())),separators=(',',':')) # scenario 3
{"transactions":[{"account":"A","amount":5},{"account":"B","amount":3},{"account":"A","amount":-2}],"batch":3}
{ "A": 3, "B": 3 }
Aggregate JSON transactions by account and return compact sorted JSON balances. Scenario family 4.
cmsrcbdop0020q2p21ornbw3p
contributor_item
Submission RNBW3P
false
import json def transform(text): d=json.loads(text); rows=sorted((r for r in d['records'] if r['score']>=d['threshold']),key=lambda r:r['id']) return json.dumps([{'id':r['id'],'name':r['name']} for r in rows],separators=(',',':')) # scenario 2
{"threshold":7,"records":[{"id":3,"name":"C","score":8},{"id":1,"name":"A","score":6},{"id":2,"name":"B","score":9}],"batch":2}
[ { "id": 2, "name": "B" }, { "id": 3, "name": "C" } ]
Filter JSON records whose score meets threshold, sort by id, and return id/name pairs as compact JSON. Scenario family 3.
cmsrcbdop0021q2p2tcrlc9kx
contributor_item
Submission RLC9KX
false
import json def transform(text): d={} for line in text.strip().splitlines(): u,r=line.split('|'); d.setdefault(u,set()).add(r) return json.dumps({u:sorted(d[u]) for u in sorted(d)},separators=(',',':')) # scenario 2
alice|admin bob|viewer alice|editor bob|viewer
{ "alice": [ "admin", "editor" ], "bob": [ "viewer" ] }
Parse pipe-delimited user,role rows, deduplicate roles, and return compact sorted JSON. Scenario family 3.
cmsrcbdop0025q2p25exc66kk
contributor_item
Submission XC66KK
false
import json def transform(text): d=json.loads(text); rows=sorted((r for r in d['records'] if r['score']>=d['threshold']),key=lambda r:r['id']) return json.dumps([{'id':r['id'],'name':r['name']} for r in rows],separators=(',',':')) # scenario 3
{"threshold":7,"records":[{"id":3,"name":"C","score":8},{"id":1,"name":"A","score":6},{"id":2,"name":"B","score":9}],"batch":3}
[ { "id": 2, "name": "B" }, { "id": 3, "name": "C" } ]
Filter JSON records whose score meets threshold, sort by id, and return id/name pairs as compact JSON. Scenario family 4.
cmsrcbdop0024q2p2okbjg5ao
contributor_item
Submission BJG5AO
false
import csv,io,json def transform(text): out={} for r in csv.DictReader(io.StringIO(text)): out[r['category']]=out.get(r['category'],0)+int(r['value']) return json.dumps(dict(sorted(out.items())),separators=(',',':')) # scenario 3
category,value x,5 y,2 x,4 z,1
{ "x": 9, "y": 2, "z": 1 }
Parse CSV category,value rows and return compact JSON totals sorted by category. Scenario family 4.
cmsrfjxi00028y8p25oonp7tg
contributor_item
Submission ONP7TG
false
import csv, io, json from collections import defaultdict def transform(text): agg=defaultdict(lambda:{'count':0,'total':0}) for r in csv.DictReader(io.StringIO(text)): d=agg[r['dept']]; d['count']+=1; d['total']+=int(r['amount']) return json.dumps(dict(sorted(agg.items())), sort_keys=True)
dept,amount eng,120 sales,80 eng,30 sales,20 ops,50
{ "eng": { "count": 2, "total": 150 }, "ops": { "count": 1, "total": 50 }, "sales": { "count": 2, "total": 100 } }
Parse the CSV and return a JSON object keyed by department with row count and total amount; keys must be sorted alphabetically.
cmsrfjxi00029y8p2g5gpej2b
contributor_item
Submission GPEJ2B
false
import json def transform(text): rows=json.loads(text) rows=[{'id':r['id'],'score':r['score']} for r in rows if r.get('active') and r['score']>=10] rows.sort(key=lambda r:(-r['score'],r['id'])) return json.dumps(rows)
[{"id":"a","score":7,"active":true},{"id":"b","score":12,"active":false},{"id":"c","score":10,"active":true},{"id":"d","score":12,"active":true}]
[ { "id": "d", "score": 12 }, { "id": "c", "score": 10 } ]
From the JSON array, keep active records with score at least 10, sort by descending score then id, and return only id and score as JSON.
cmsrfjxi0002ay8p21dhdbfy7
contributor_item
Submission HDBFY7
false
import urllib.parse, json def transform(text): pairs=urllib.parse.parse_qsl(text, keep_blank_values=True) out={} for k,v in pairs: out.setdefault(k,[]) if v not in out[k]: out[k].append(v) return json.dumps({k:out[k] for k in sorted(out)})
tag=red&tag=blue&owner=ada&tag=red&priority=high
{ "owner": [ "ada" ], "priority": [ "high" ], "tag": [ "red", "blue" ] }
Parse the query string, preserve repeated values, deduplicate each key's values in first-seen order, and return a JSON object with alphabetically sorted keys.
cmsrfjxi0002by8p2musib9ww
contributor_item
Submission SIB9WW
false
import json def transform(text): out={} for line in text.strip().splitlines(): k,v=line.split('|'); v=int(v) out[k]=max(out.get(k,v),v) return json.dumps(dict(sorted(out.items())))
alpha|7 beta|3 alpha|11 beta|9 gamma|4
{ "alpha": 11, "beta": 9, "gamma": 4 }
Parse pipe-delimited name/value rows and return a JSON object containing the maximum value observed for each name, sorted by name.
cmsrfjxi0002cy8p2aemunyr2
contributor_item
Submission MUNYR2
false
import json from collections import defaultdict def transform(text): agg=defaultdict(lambda:defaultdict(int)) for line in text.strip().splitlines(): day,svc,count=line.split(','); agg[day][svc]+=int(count) out={d:{s:agg[d][s] for s in sorted(agg[d])} for d in sorted(agg)} return json.dumps(out)
2026-08-13,api,4 2026-08-13,worker,2 2026-08-14,api,3 2026-08-14,worker,5 2026-08-14,api,1
{ "2026-08-13": { "api": 4, "worker": 2 }, "2026-08-14": { "api": 4, "worker": 5 } }
Parse date,service,count rows and return JSON totals per date, with nested service totals and dates/services sorted lexicographically.
cmsrh2ffl008uy8p2o8shm13n
contributor_item
Submission SHM13N
false
import json # scenario_19 def transform(text): n=[int(x) for x in text.split(",")];k=2 return json.dumps([sum(n[i:i+k]) for i in range(len(n)-k+1)],separators=(",",":"))
4,6,4,6,9
[ 10, 10, 10, 15 ]
Parse CSV integers and compute width-2 consecutive sums (scenario_19).
cmsrh2ffl008ey8p2bgf659cy
contributor_item
Submission F659CY
false
import json # scenario_3 def transform(text): rows=json.loads(text) return json.dumps([{"id":r["id"],"score":r["score"]} for r in rows if r["active"] and r["score"]>=30],separators=(",",":"))
[{"id":"a2","score":26,"active":true},{"id":"b2","score":37,"active":true},{"id":"c2","score":35,"active":true}]
[ { "id": "b2", "score": 37 }, { "id": "c2", "score": 35 } ]
Filter active JSON rows at score >= 30, project id and score, preserve order (scenario_3).
cmsrh2ffl008jy8p2nwilxu1i
contributor_item
Submission ILXU1I
false
import json from collections import defaultdict # scenario_8 def transform(text): t=defaultdict(int) for r in json.loads(text): t[r["region"]]+=r["units"]*r["price"] return json.dumps(dict(sorted(t.items())),separators=(",",":"))
[{"region":"east","units":5,"price":10},{"region":"other","units":2,"price":9},{"region":"east","units":1,"price":14}]
{ "east": 64, "other": 18 }
Aggregate sales by region as units*price and key-sort compact JSON (scenario_8).
cmsrh2ffl008xy8p21w9jsv9z
contributor_item
Submission 9JSV9Z
false
import json from collections import defaultdict # scenario_22 def transform(text): t=defaultdict(int) for l in text.splitlines(): k,x=l.split("|",1);t[k]+=int(x) return json.dumps(dict(sorted(t.items())),separators=(",",":"))
alpha|3 beta|4 alpha|3
{ "alpha": 6, "beta": 4 }
Parse key|integer lines, sum repeated keys, sort keys (scenario_22).
cmsrh2ffm009ky8p27fs1w23e
contributor_item
Submission S1W23E
false
import json # scenario_45 def transform(text): d=json.loads(text);k="zone" return json.dumps([{"id":u["id"],k:u["profile"][k]} for u in d["users"]],separators=(",",":"))
{"users":[{"id":1,"profile":{"zone":"v4a","extra":9}},{"id":2,"profile":{"zone":"v4b","extra":8}}]}
[ { "id": 1, "zone": "v4a" }, { "id": 2, "zone": "v4b" } ]
Extract id and nested profile.zone from users (scenario_45).
cmsrh2ffl0093y8p2oygpdrwx
contributor_item
Submission GPDRWX
false
# scenario_28 def transform(text): seen=set();out=[] for w in text.splitlines(): k=w.casefold() if k not in seen: seen.add(k);out.append(w) return "\n".join(out)
Alpha2 BETA alpha2 Gamma beta GAMMA Delta2
"Alpha2\nBETA\nGamma\nDelta2"
Deduplicate tokens case-insensitively, retaining first spelling/order (scenario_28).
cmsrh2ffl008zy8p2o881hrod
contributor_item
Submission 81HROD
false
import json from collections import defaultdict # scenario_24 def transform(text): t=defaultdict(int) for l in text.splitlines(): k,x=l.split("~",1);t[k]+=int(x) return json.dumps(dict(sorted(t.items())),separators=(",",":"))
alpha~5 beta~2 alpha~3
{ "alpha": 8, "beta": 2 }
Parse key~integer lines, sum repeated keys, sort keys (scenario_24).
cmsrh2ffl0098y8p22ggli1aq
contributor_item
Submission GLI1AQ
false
import json,re # scenario_33 def transform(text): out=[] for l in text.splitlines(): h,m,s=map(int,re.fullmatch(r"(\d+)h (\d+)m (\d+)s",l).groups());out.append(h*3600+m*60+s) return json.dumps(out,separators=(",",":"))
3h 22m 30s 0h 7m 45s 2h 0m 12s
[ 12150, 465, 7212 ]
Convert required h/m/s duration lines to JSON seconds (scenario_33).
cmsrh2ffm009my8p25qbhf33n
contributor_item
Submission BHF33N
false
import json # scenario_47 def transform(text): r=json.loads(text);r.sort(key=lambda x:(-x["priority"],x["age"],x["name"])) return json.dumps([{"name":x["name"],"priority":x["priority"]} for x in r[:3]],separators=(",",":"))
[{"name":"x1","priority":2,"age":5},{"name":"a1","priority":3,"age":2},{"name":"m1","priority":3,"age":7},{"name":"z1","priority":1,"age":1}]
[ { "name": "a1", "priority": 3 }, { "name": "m1", "priority": 3 }, { "name": "x1", "priority": 2 } ]
Select top 3 jobs by priority desc, age/name asc (scenario_47).
cmsrh2ffl008fy8p2y2vk65bc
contributor_item
Submission VK65BC
false
import json # scenario_4 def transform(text): rows=json.loads(text) return json.dumps([{"id":r["id"],"score":r["score"]} for r in rows if r["active"] and r["score"]>=35],separators=(",",":"))
[{"id":"a3","score":30,"active":true},{"id":"b3","score":40,"active":false},{"id":"c3","score":40,"active":true}]
[ { "id": "c3", "score": 40 } ]
Filter active JSON rows at score >= 35, project id and score, preserve order (scenario_4).
cmsrh2ffl008cy8p2n47bomal
contributor_item
Submission 7BOMAL
false
import json # scenario_1 def transform(text): rows=json.loads(text) return json.dumps([{"id":r["id"],"score":r["score"]} for r in rows if r["active"] and r["score"]>=20],separators=(",",":"))
[{"id":"a0","score":18,"active":true},{"id":"b0","score":31,"active":true},{"id":"c0","score":25,"active":true}]
[ { "id": "b0", "score": 31 }, { "id": "c0", "score": 25 } ]
Filter active JSON rows at score >= 20, project id and score, preserve order (scenario_1).
cmsrh2ffl008dy8p2qbtwkq6a
contributor_item
Submission TWKQ6A
false
import json # scenario_2 def transform(text): rows=json.loads(text) return json.dumps([{"id":r["id"],"score":r["score"]} for r in rows if r["active"] and r["score"]>=25],separators=(",",":"))
[{"id":"a1","score":22,"active":true},{"id":"b1","score":34,"active":false},{"id":"c1","score":30,"active":true}]
[ { "id": "c1", "score": 30 } ]
Filter active JSON rows at score >= 25, project id and score, preserve order (scenario_2).
cmsrh2ffl008gy8p2wdottnh5
contributor_item
Submission OTTNH5
false
import json # scenario_5 def transform(text): rows=json.loads(text) return json.dumps([{"id":r["id"],"score":r["score"]} for r in rows if r["active"] and r["score"]>=40],separators=(",",":"))
[{"id":"a4","score":34,"active":true},{"id":"b4","score":43,"active":true},{"id":"c4","score":45,"active":true}]
[ { "id": "b4", "score": 43 }, { "id": "c4", "score": 45 } ]
Filter active JSON rows at score >= 40, project id and score, preserve order (scenario_5).
cmsrh2ffl008iy8p2g0l2osb9
contributor_item
Submission L2OSB9
false
import json from collections import defaultdict # scenario_7 def transform(text): t=defaultdict(int) for r in json.loads(text): t[r["region"]]+=r["units"]*r["price"] return json.dumps(dict(sorted(t.items())),separators=(",",":"))
[{"region":"south","units":4,"price":10},{"region":"other","units":2,"price":8},{"region":"south","units":1,"price":13}]
{ "other": 16, "south": 53 }
Aggregate sales by region as units*price and key-sort compact JSON (scenario_7).
cmsrh2ffl008hy8p29hhgehlw
contributor_item
Submission HGEHLW
false
import json from collections import defaultdict # scenario_6 def transform(text): t=defaultdict(int) for r in json.loads(text): t[r["region"]]+=r["units"]*r["price"] return json.dumps(dict(sorted(t.items())),separators=(",",":"))
[{"region":"north","units":3,"price":10},{"region":"other","units":2,"price":7},{"region":"north","units":1,"price":12}]
{ "north": 42, "other": 14 }
Aggregate sales by region as units*price and key-sort compact JSON (scenario_6).
cmsrh2ffl008my8p2jja9pq0t
contributor_item
Submission A9PQ0T
false
import json # scenario_11 def transform(text): d=json.loads(text);p="app_" return json.dumps({k[len(p):]:v for k,v in d.items() if k.startswith(p)},separators=(",",":"))
{"app_name":"n0","app_limit":10,"ignore":0,"app_enabled":true}
{ "name": "n0", "limit": 10, "enabled": true }
Select 'app_' JSON keys, strip the prefix, preserve values (scenario_11).
cmsrh2ffl008ky8p22q85jzcy
contributor_item
Submission 85JZCY
false
import json from collections import defaultdict # scenario_9 def transform(text): t=defaultdict(int) for r in json.loads(text): t[r["region"]]+=r["units"]*r["price"] return json.dumps(dict(sorted(t.items())),separators=(",",":"))
[{"region":"west","units":6,"price":10},{"region":"other","units":2,"price":10},{"region":"west","units":1,"price":15}]
{ "other": 20, "west": 75 }
Aggregate sales by region as units*price and key-sort compact JSON (scenario_9).
cmsrh2ffl008ny8p20e7dg4u8
contributor_item
Submission 7DG4U8
false
import json # scenario_12 def transform(text): d=json.loads(text);p="svc_" return json.dumps({k[len(p):]:v for k,v in d.items() if k.startswith(p)},separators=(",",":"))
{"svc_name":"n1","svc_limit":11,"ignore":1,"svc_enabled":false}
{ "name": "n1", "limit": 11, "enabled": false }
Select 'svc_' JSON keys, strip the prefix, preserve values (scenario_12).
cmsrh2ffl008ly8p2zmgd84m3
contributor_item
Submission GD84M3
false
import json from collections import defaultdict # scenario_10 def transform(text): t=defaultdict(int) for r in json.loads(text): t[r["region"]]+=r["units"]*r["price"] return json.dumps(dict(sorted(t.items())),separators=(",",":"))
[{"region":"central","units":7,"price":10},{"region":"other","units":2,"price":11},{"region":"central","units":1,"price":16}]
{ "central": 86, "other": 22 }
Aggregate sales by region as units*price and key-sort compact JSON (scenario_10).
cmsrh2ffl008ry8p2ewluehve
contributor_item
Submission LUEHVE
false
import json # scenario_16 def transform(text): n=[int(x) for x in text.split(",")];k=2 return json.dumps([sum(n[i:i+k]) for i in range(len(n)-k+1)],separators=(",",":"))
1,3,7,0,9
[ 4, 10, 7, 9 ]
Parse CSV integers and compute width-2 consecutive sums (scenario_16).
cmsrh2ffl008qy8p2n7ns4tq3
contributor_item
Submission NS4TQ3
false
import json # scenario_15 def transform(text): d=json.loads(text);p="job_" return json.dumps({k[len(p):]:v for k,v in d.items() if k.startswith(p)},separators=(",",":"))
{"job_name":"n4","job_limit":14,"ignore":4,"job_enabled":true}
{ "name": "n4", "limit": 14, "enabled": true }
Select 'job_' JSON keys, strip the prefix, preserve values (scenario_15).
cmsrh2ffl008py8p2vjpwsk7w
contributor_item
Submission PWSK7W
false
import json # scenario_14 def transform(text): d=json.loads(text);p="ui_" return json.dumps({k[len(p):]:v for k,v in d.items() if k.startswith(p)},separators=(",",":"))
{"ui_name":"n3","ui_limit":13,"ignore":3,"ui_enabled":false}
{ "name": "n3", "limit": 13, "enabled": false }
Select 'ui_' JSON keys, strip the prefix, preserve values (scenario_14).
cmsrh2ffl008oy8p2h0c2r1sl
contributor_item
Submission C2R1SL
false
import json # scenario_13 def transform(text): d=json.loads(text);p="db_" return json.dumps({k[len(p):]:v for k,v in d.items() if k.startswith(p)},separators=(",",":"))
{"db_name":"n2","db_limit":12,"ignore":2,"db_enabled":true}
{ "name": "n2", "limit": 12, "enabled": true }
Select 'db_' JSON keys, strip the prefix, preserve values (scenario_13).
cmsrh2ffl008sy8p2ury1v34n
contributor_item
Submission Y1V34N
false
import json # scenario_17 def transform(text): n=[int(x) for x in text.split(",")];k=3 return json.dumps([sum(n[i:i+k]) for i in range(len(n)-k+1)],separators=(",",":"))
2,4,6,2,9
[ 12, 12, 17 ]
Parse CSV integers and compute width-3 consecutive sums (scenario_17).
cmsrh2ffl008ty8p2xar44vu9
contributor_item
Submission R44VU9
false
import json # scenario_18 def transform(text): n=[int(x) for x in text.split(",")];k=4 return json.dumps([sum(n[i:i+k]) for i in range(len(n)-k+1)],separators=(",",":"))
3,5,5,4,9
[ 17, 23 ]
Parse CSV integers and compute width-4 consecutive sums (scenario_18).
cmsrh2ffl008vy8p2iylq1vuo
contributor_item
Submission LQ1VUO
false
import json # scenario_20 def transform(text): n=[int(x) for x in text.split(",")];k=3 return json.dumps([sum(n[i:i+k]) for i in range(len(n)-k+1)],separators=(",",":"))
5,7,3,8,9
[ 15, 18, 20 ]
Parse CSV integers and compute width-3 consecutive sums (scenario_20).
cmsrh2ffl008yy8p28i2t95yy
contributor_item
Submission 2T95YY
false
import json from collections import defaultdict # scenario_23 def transform(text): t=defaultdict(int) for l in text.splitlines(): k,x=l.split(":",1);t[k]+=int(x) return json.dumps(dict(sorted(t.items())),separators=(",",":"))
alpha:4 beta:3 alpha:3
{ "alpha": 7, "beta": 3 }
Parse key:integer lines, sum repeated keys, sort keys (scenario_23).
cmsrh2ffl008wy8p2fyr9iyfr
contributor_item
Submission R9IYFR
false
import json from collections import defaultdict # scenario_21 def transform(text): t=defaultdict(int) for l in text.splitlines(): k,x=l.split("=",1);t[k]+=int(x) return json.dumps(dict(sorted(t.items())),separators=(",",":"))
alpha=2 beta=5 alpha=3
{ "alpha": 5, "beta": 5 }
Parse key=integer lines, sum repeated keys, sort keys (scenario_21).
cmsrh2ffl0091y8p2y3hqiu44
contributor_item
Submission HQIU44
false
# scenario_26 def transform(text): seen=set();out=[] for w in text.splitlines(): k=w.casefold() if k not in seen: seen.add(k);out.append(w) return "\n".join(out)
Alpha0 BETA alpha0 Gamma beta GAMMA Delta0
"Alpha0\nBETA\nGamma\nDelta0"
Deduplicate tokens case-insensitively, retaining first spelling/order (scenario_26).
cmsrh2ffl0090y8p20z0us7us
contributor_item
Submission 0US7US
false
import json from collections import defaultdict # scenario_25 def transform(text): t=defaultdict(int) for l in text.splitlines(): k,x=l.split(";",1);t[k]+=int(x) return json.dumps(dict(sorted(t.items())),separators=(",",":"))
alpha;6 beta;1 alpha;3
{ "alpha": 9, "beta": 1 }
Parse key;integer lines, sum repeated keys, sort keys (scenario_25).
cmsrh2ffl0092y8p234iw92m4
contributor_item
Submission IW92M4
false
# scenario_27 def transform(text): seen=set();out=[] for w in text.splitlines(): k=w.casefold() if k not in seen: seen.add(k);out.append(w) return "\n".join(out)
Alpha1 BETA alpha1 Gamma beta GAMMA Delta1
"Alpha1\nBETA\nGamma\nDelta1"
Deduplicate tokens case-insensitively, retaining first spelling/order (scenario_27).
cmsrh2ffl0096y8p20d453gnb
contributor_item
Submission 453GNB
false
import json,re # scenario_31 def transform(text): out=[] for l in text.splitlines(): h,m,s=map(int,re.fullmatch(r"(\d+)h (\d+)m (\d+)s",l).groups());out.append(h*3600+m*60+s) return json.dumps(out,separators=(",",":"))
1h 20m 30s 0h 5m 45s 2h 0m 10s
[ 4830, 345, 7210 ]
Convert required h/m/s duration lines to JSON seconds (scenario_31).
cmsrh2ffl0097y8p2nnt31vth
contributor_item
Submission T31VTH
false
import json,re # scenario_32 def transform(text): out=[] for l in text.splitlines(): h,m,s=map(int,re.fullmatch(r"(\d+)h (\d+)m (\d+)s",l).groups());out.append(h*3600+m*60+s) return json.dumps(out,separators=(",",":"))
2h 21m 30s 0h 6m 45s 2h 0m 11s
[ 8490, 405, 7211 ]
Convert required h/m/s duration lines to JSON seconds (scenario_32).
cmsrh2ffl0095y8p2auqwpn9a
contributor_item
Submission QWPN9A
false
# scenario_30 def transform(text): seen=set();out=[] for w in text.splitlines(): k=w.casefold() if k not in seen: seen.add(k);out.append(w) return "\n".join(out)
Alpha4 BETA alpha4 Gamma beta GAMMA Delta4
"Alpha4\nBETA\nGamma\nDelta4"
Deduplicate tokens case-insensitively, retaining first spelling/order (scenario_30).
cmsrh2ffl0094y8p23vncrtq7
contributor_item
Submission NCRTQ7
false
# scenario_29 def transform(text): seen=set();out=[] for w in text.splitlines(): k=w.casefold() if k not in seen: seen.add(k);out.append(w) return "\n".join(out)
Alpha3 BETA alpha3 Gamma beta GAMMA Delta3
"Alpha3\nBETA\nGamma\nDelta3"
Deduplicate tokens case-insensitively, retaining first spelling/order (scenario_29).
cmsrh2ffl009by8p2dpqcqv40
contributor_item
Submission QCQV40
false
import json # scenario_36 def transform(text): o={"low":0,"mid":0,"high":0} for s in json.loads(text): o["low" if s<40 else "mid" if s<70 else "high"]+=1 return json.dumps(o,separators=(",",":"))
[22,45,68,75,99]
{ "low": 1, "mid": 2, "high": 2 }
Bucket scores below 40, 40-69, and >=70 (scenario_36).
cmsrh2ffl0099y8p2h6huz69u
contributor_item
Submission HUZ69U
false
import json,re # scenario_34 def transform(text): out=[] for l in text.splitlines(): h,m,s=map(int,re.fullmatch(r"(\d+)h (\d+)m (\d+)s",l).groups());out.append(h*3600+m*60+s) return json.dumps(out,separators=(",",":"))
4h 23m 30s 0h 8m 45s 2h 0m 13s
[ 15810, 525, 7213 ]
Convert required h/m/s duration lines to JSON seconds (scenario_34).
cmsrh2ffl009ay8p269bhuwxd
contributor_item
Submission BHUWXD
false
import json,re # scenario_35 def transform(text): out=[] for l in text.splitlines(): h,m,s=map(int,re.fullmatch(r"(\d+)h (\d+)m (\d+)s",l).groups());out.append(h*3600+m*60+s) return json.dumps(out,separators=(",",":"))
5h 24m 30s 0h 9m 45s 2h 0m 14s
[ 19470, 585, 7214 ]
Convert required h/m/s duration lines to JSON seconds (scenario_35).
cmsrh2ffl009cy8p2xdiz7d9a
contributor_item
Submission IZ7D9A
false
import json # scenario_37 def transform(text): o={"low":0,"mid":0,"high":0} for s in json.loads(text): o["low" if s<41 else "mid" if s<71 else "high"]+=1 return json.dumps(o,separators=(",",":"))
[23,46,69,76,99]
{ "low": 1, "mid": 2, "high": 2 }
Bucket scores below 41, 41-70, and >=71 (scenario_37).
cmsrh2ffl009dy8p2wj4c3rcc
contributor_item
Submission 4C3RCC
false
import json # scenario_38 def transform(text): o={"low":0,"mid":0,"high":0} for s in json.loads(text): o["low" if s<42 else "mid" if s<72 else "high"]+=1 return json.dumps(o,separators=(",",":"))
[24,47,70,77,99]
{ "low": 1, "mid": 2, "high": 2 }
Bucket scores below 42, 42-71, and >=72 (scenario_38).
cmsrh2ffl009fy8p2x0h423uo
contributor_item
Submission H423UO
false
import json # scenario_40 def transform(text): o={"low":0,"mid":0,"high":0} for s in json.loads(text): o["low" if s<44 else "mid" if s<74 else "high"]+=1 return json.dumps(o,separators=(",",":"))
[26,49,72,79,99]
{ "low": 1, "mid": 2, "high": 2 }
Bucket scores below 44, 44-73, and >=74 (scenario_40).
cmsrh2ffl009ey8p2a8xw28c9
contributor_item
Submission XW28C9
false
import json # scenario_39 def transform(text): o={"low":0,"mid":0,"high":0} for s in json.loads(text): o["low" if s<43 else "mid" if s<73 else "high"]+=1 return json.dumps(o,separators=(",",":"))
[25,48,71,78,99]
{ "low": 1, "mid": 2, "high": 2 }
Bucket scores below 43, 43-72, and >=73 (scenario_39).
cmsrh2ffm009iy8p2c093m5z5
contributor_item
Submission 93M5Z5
false
import json # scenario_43 def transform(text): d=json.loads(text);k="role" return json.dumps([{"id":u["id"],k:u["profile"][k]} for u in d["users"]],separators=(",",":"))
{"users":[{"id":1,"profile":{"role":"v2a","extra":9}},{"id":2,"profile":{"role":"v2b","extra":8}}]}
[ { "id": 1, "role": "v2a" }, { "id": 2, "role": "v2b" } ]
Extract id and nested profile.role from users (scenario_43).
cmsrh2ffm009hy8p2l0p3hb92
contributor_item
Submission P3HB92
false
import json # scenario_42 def transform(text): d=json.loads(text);k="city" return json.dumps([{"id":u["id"],k:u["profile"][k]} for u in d["users"]],separators=(",",":"))
{"users":[{"id":1,"profile":{"city":"v1a","extra":9}},{"id":2,"profile":{"city":"v1b","extra":8}}]}
[ { "id": 1, "city": "v1a" }, { "id": 2, "city": "v1b" } ]
Extract id and nested profile.city from users (scenario_42).
cmsrh2ffl009gy8p2pz9k0smu
contributor_item
Submission 9K0SMU
false
import json # scenario_41 def transform(text): d=json.loads(text);k="email" return json.dumps([{"id":u["id"],k:u["profile"][k]} for u in d["users"]],separators=(",",":"))
{"users":[{"id":1,"profile":{"email":"v0a","extra":9}},{"id":2,"profile":{"email":"v0b","extra":8}}]}
[ { "id": 1, "email": "v0a" }, { "id": 2, "email": "v0b" } ]
Extract id and nested profile.email from users (scenario_41).
cmsrh2ffm009jy8p2v3uth0lr
contributor_item
Submission UTH0LR
false
import json # scenario_44 def transform(text): d=json.loads(text);k="team" return json.dumps([{"id":u["id"],k:u["profile"][k]} for u in d["users"]],separators=(",",":"))
{"users":[{"id":1,"profile":{"team":"v3a","extra":9}},{"id":2,"profile":{"team":"v3b","extra":8}}]}
[ { "id": 1, "team": "v3a" }, { "id": 2, "team": "v3b" } ]
Extract id and nested profile.team from users (scenario_44).
cmsrh2ffm009ly8p23nuhijps
contributor_item
Submission UHIJPS
false
import json # scenario_46 def transform(text): r=json.loads(text);r.sort(key=lambda x:(-x["priority"],x["age"],x["name"])) return json.dumps([{"name":x["name"],"priority":x["priority"]} for x in r[:2]],separators=(",",":"))
[{"name":"x0","priority":2,"age":5},{"name":"a0","priority":3,"age":2},{"name":"m0","priority":3,"age":7},{"name":"z0","priority":1,"age":1}]
[ { "name": "a0", "priority": 3 }, { "name": "m0", "priority": 3 } ]
Select top 2 jobs by priority desc, age/name asc (scenario_46).
cmsrh2ffm009ny8p215wc0pto
contributor_item
Submission WC0PTO
false
import json # scenario_48 def transform(text): r=json.loads(text);r.sort(key=lambda x:(-x["priority"],x["age"],x["name"])) return json.dumps([{"name":x["name"],"priority":x["priority"]} for x in r[:4]],separators=(",",":"))
[{"name":"x2","priority":2,"age":5},{"name":"a2","priority":3,"age":2},{"name":"m2","priority":3,"age":7},{"name":"z2","priority":1,"age":1}]
[ { "name": "a2", "priority": 3 }, { "name": "m2", "priority": 3 }, { "name": "x2", "priority": 2 }, { "name": "z2", "priority": 1 } ]
Select top 4 jobs by priority desc, age/name asc (scenario_48).
cmsrh2ffm009oy8p2tsqq2a77
contributor_item
Submission QQ2A77
false
import json # scenario_49 def transform(text): r=json.loads(text);r.sort(key=lambda x:(-x["priority"],x["age"],x["name"])) return json.dumps([{"name":x["name"],"priority":x["priority"]} for x in r[:2]],separators=(",",":"))
[{"name":"x3","priority":2,"age":5},{"name":"a3","priority":3,"age":2},{"name":"m3","priority":3,"age":7},{"name":"z3","priority":1,"age":1}]
[ { "name": "a3", "priority": 3 }, { "name": "m3", "priority": 3 } ]
Select top 2 jobs by priority desc, age/name asc (scenario_49).
cmsrh2ffm009py8p2lmlmt5lo
contributor_item
Submission LMT5LO
false
import json # scenario_50 def transform(text): r=json.loads(text);r.sort(key=lambda x:(-x["priority"],x["age"],x["name"])) return json.dumps([{"name":x["name"],"priority":x["priority"]} for x in r[:3]],separators=(",",":"))
[{"name":"x4","priority":2,"age":5},{"name":"a4","priority":3,"age":2},{"name":"m4","priority":3,"age":7},{"name":"z4","priority":1,"age":1}]
[ { "name": "a4", "priority": 3 }, { "name": "m4", "priority": 3 }, { "name": "x4", "priority": 2 } ]
Select top 3 jobs by priority desc, age/name asc (scenario_50).
cmsrkbizf000hjmp26ydmu169
contributor_item
Submission DMU169
false
def transform(text): totals = {} for line in text.strip().split('\n'): sku, qty, price = line.split(':') totals[sku] = totals.get(sku, 0.0) + int(qty) * float(price) ordered = sorted(totals.items(), key=lambda kv: (-kv[1], kv[0])) return '\n'.join(f'{sku}={total:.2f}' for sku, total in o...
widget-a:3:2.50 widget-b:1:10.00 widget-a:2:2.50 gadget-x:5:1.20
"widget-a=12.50\nwidget-b=10.00\ngadget-x=6.00"
Each line is 'sku:quantity:unit_price'. Compute the total revenue per SKU (quantity * unit_price summed across lines) and return lines of 'sku=total' formatted to 2 decimal places, sorted by total descending, then sku ascending.
cmsrkbizf000fjmp2s195uzci
contributor_item
Submission 95UZCI
false
def transform(text): counts = {} for line in text.strip().split('\n'): parts = line.split() if len(parts) >= 2 and parts[1] == 'ERROR': counts[parts[0]] = counts.get(parts[0], 0) + 1 rows = ['date,errors'] + [f'{d},{counts[d]}' for d in sorted(counts)] return '\n'.join(rows)
2026-01-15 ERROR db timeout 2026-01-15 INFO started 2026-01-16 ERROR disk full 2026-01-16 ERROR db timeout 2026-01-17 WARN slow query
"date,errors\n2026-01-15,1\n2026-01-16,2"
Count ERROR lines per date and return a CSV string with header 'date,errors', one row per date that has at least one ERROR, sorted by date ascending.
cmsrkbizf000djmp21irujzod
contributor_item
Submission RUJZOD
false
import json def transform(text): users = json.loads(text) tag_map = {} for user in users: for tag in set(user['tags']): tag_map.setdefault(tag, []).append(user['name']) return json.dumps({t: sorted(tag_map[t]) for t in sorted(tag_map)})
[{"name": "alice", "tags": ["admin", "dev"]}, {"name": "bob", "tags": []}, {"name": "carol", "tags": ["dev", "ops", "dev"]}]
{ "admin": [ "alice" ], "dev": [ "alice", "carol" ], "ops": [ "carol" ] }
Given a JSON array of users, return a JSON object mapping each distinct tag to the sorted list of user names that carry it. Ignore duplicate tags within a single user. Tags in the result must be sorted alphabetically.
cmsrkbizf000cjmp288m3mynf
contributor_item
Submission M3MYNF
false
import csv, io, json def transform(text): totals = {} for row in csv.DictReader(io.StringIO(text.strip())): region = row['region'] totals[region] = totals.get(region, 0.0) + float(row['amount']) return json.dumps({k: round(totals[k], 2) for k in sorted(totals)})
id,region,amount 1,north,120.50 2,south,80 3,north,45.25 4,east,200 5,south,19.75
{ "east": 200, "north": 165.75, "south": 99.75 }
Parse the CSV and return a JSON object mapping each region to its total amount (as a float), with regions sorted alphabetically.
cmsrkbizf000ejmp2r85xx2h9
contributor_item
Submission 5XX2H9
false
def transform(text): seen = [] for part in text.strip().split(';'): email = part.strip().lower() if email and email not in seen: seen.append(email) return '\n'.join(seen)
alice@example.com; Bob.Smith@Test.ORG ;carol@example.com;bob.smith@test.org;dan@sample.net
"alice@example.com\nbob.smith@test.org\ncarol@example.com\ndan@sample.net"
Split the semicolon-separated email list, trim whitespace, lowercase every address, remove duplicates while keeping first-seen order, and return them joined by newlines.
cmsrkbizf000gjmp2xzsq7r6h
contributor_item
Submission SQ7R6H
false
import json def transform(text): def flatten(obj, prefix=''): out = {} for k, v in obj.items(): key = f'{prefix}.{k}' if prefix else k if isinstance(v, dict): out.update(flatten(v, key)) else: out[key] = v return out fl...
{"config": {"server": {"host": "localhost", "port": 8080}, "debug": true, "limits": {"max": 10}}}
{ "config.debug": true, "config.limits.max": 10, "config.server.host": "localhost", "config.server.port": 8080 }
Flatten the nested JSON object into a single-level JSON object whose keys are dot-joined paths (e.g. 'config.server.host'). Keys in the result must be sorted alphabetically.
cmsrkbizf000ijmp2fnw3pp5e
contributor_item
Submission W3PP5E
false
import json, re from collections import Counter def transform(text): words = re.findall(r'[a-z]+', text.lower()) counts = Counter(words) top = sorted(counts.items(), key=lambda kv: (-kv[1], kv[0]))[:3] return json.dumps(dict(top))
The quick brown fox. The lazy dog! A quick test? The FOX runs.
{ "the": 3, "fox": 2, "quick": 2 }
Return a JSON object with the three most frequent words (case-insensitive, punctuation stripped), mapping word to count; break count ties alphabetically.
cmsrkbizf000jjmp220njxzjw
contributor_item
Submission NJXZJW
false
import json def transform(text): readings = json.loads(text) out = [{'ts': r['ts'], 'temp_c': round((r['temp_f'] - 32) * 5 / 9, 1)} for r in readings] return json.dumps(out)
[{"ts": "2026-05-01T10:00:00", "temp_f": 68.0}, {"ts": "2026-05-01T11:00:00", "temp_f": 71.6}, {"ts": "2026-05-01T12:00:00", "temp_f": 75.2}]
[ { "ts": "2026-05-01T10:00:00", "temp_c": 20 }, { "ts": "2026-05-01T11:00:00", "temp_c": 22 }, { "ts": "2026-05-01T12:00:00", "temp_c": 24 } ]
Convert each reading's temp_f (Fahrenheit) to Celsius rounded to 1 decimal, rename the key to temp_c, keep ts unchanged, and return the JSON array.
cmsrkbizf000ljmp2jn0gvz6g
contributor_item
Submission 0GVZ6G
false
import json from collections import Counter def transform(text): nums = [int(x) for x in text.strip().split(',')] counts = Counter(nums) top = max(counts.values()) mode = min(v for v, c in counts.items() if c == top) return json.dumps({'min': min(nums), 'max': max(nums), 'mean': round(sum(nums) / l...
9,3,7,3,1,9,9,2
{ "min": 1, "max": 9, "mean": 5.38, "mode": 9, "distinct": 5 }
Parse the comma-separated integers and return a JSON object with keys 'min', 'max', 'mean' (rounded to 2 decimals), 'mode' (smallest value if tied), and 'distinct' (count of unique values).
cmsrkbizf000njmp21ljha7t7
contributor_item
Submission JHA7T7
false
import json def transform(text): data = json.loads(text)['employees'] groups = {} for e in data: groups.setdefault(e['dept'], []).append(e['salary']) return json.dumps({d: {'count': len(s), 'avg_salary': round(sum(s) / len(s))} for d, s in sorted(groups.items())})
{"employees": [{"name": "Ana", "dept": "eng", "salary": 95000}, {"name": "Raj", "dept": "sales", "salary": 70000}, {"name": "Mia", "dept": "eng", "salary": 105000}, {"name": "Leo", "dept": "sales", "salary": 64000}]}
{ "eng": { "count": 2, "avg_salary": 100000 }, "sales": { "count": 2, "avg_salary": 67000 } }
Group employees by dept and return a JSON object mapping dept to {'count': n, 'avg_salary': average rounded to nearest integer}, with depts sorted alphabetically.
cmsrkbizf000kjmp29ie6fwjc
contributor_item
Submission E6FWJC
false
import json def transform(text): lines = text.strip().split('\n')[1:] result = {} section = None for line in lines: line = line.strip() if line.startswith('[') and line.endswith(']'): section = line[1:-1] result[section] = {} elif '=' in line and section ...
INI [database] host = db.internal port = 5432 [cache] host = cache.internal ttl = 300
{ "database": { "host": "db.internal", "port": "5432" }, "cache": { "host": "cache.internal", "ttl": "300" } }
Skip the first line, parse the INI-style sections and key = value pairs, and return a JSON object of {section: {key: value}} with all values kept as strings. Preserve section and key order as they appear.
cmsrkbizf000mjmp2iqcdafqb
contributor_item
Submission CDAFQB
false
from collections import Counter def transform(text): paths = [line.split('?')[0] for line in text.strip().split('\n')] counts = Counter(paths) ordered = sorted(counts.items(), key=lambda kv: (-kv[1], kv[0])) return '\n'.join(f'{p} {c}' for p, c in ordered)
/api/users?page=2 /api/users?page=3 /api/orders /api/users?page=2 /health /api/orders
"/api/users 3\n/api/orders 2\n/health 1"
Strip query strings from each request path, count hits per bare path, and return lines of 'path count' sorted by count descending then path ascending.