submissionId stringlengths 25 25 | title stringlengths 17 17 | payload dict |
|---|---|---|
cmskf3c8200001wp2osjhk0zm | Submission JHK0ZM | {
"code": "def collect(item, bucket=[]):\n bucket.append(item)\n return bucket\n\ndef demo():\n first = collect(\"a\")\n second = collect(\"b\")\n return (first, second, first is second)",
"input": "demo()",
"language": "Python",
"predicted_output": "(['a', 'b'], ['a', 'b'], True)"
} |
cmskf3c8200011wp22kb81bve | Submission B81BVE | {
"code": "records = [\n {\"name\": \"ida\", \"dept\": \"ops\", \"years\": 4},\n {\"name\": \"ben\", \"dept\": \"eng\", \"years\": 4},\n {\"name\": \"cy\", \"dept\": \"eng\", \"years\": 7},\n]\n\ndef rank():\n ordered = sorted(records, key=lambda r: (r[\"dept\"], -r[\"years\"], r[\"name\"]))\n return [... |
cmskf3c8200021wp23qmbd6xs | Submission MBD6XS | {
"code": "from collections import Counter\n\ndef tally():\n counts = Counter(\"pear fig pear plum fig date\".split())\n return (counts.most_common(2), counts[\"kiwi\"], len(counts))",
"input": "tally()",
"language": "Python",
"predicted_output": "([('pear', 2), ('fig', 2)], 0, 4)"
} |
cmskf3c8200031wp2jpynnp7y | Submission YNNP7Y | {
"code": "def resolve(flag):\n try:\n if flag:\n return \"from-try\"\n raise ValueError(\"bad flag\")\n except ValueError:\n return \"from-except\"\n finally:\n print(\"cleanup ran\")\n\ndef demo():\n return (resolve(True), resolve(False))",
"input": "demo()",
"... |
cmskf3c8200041wp2vszakqde | Submission ZAKQDE | {
"code": "import copy\n\ndef demo():\n grid = [[0, 1], [2, 3]]\n shallow = list(grid)\n deep = copy.deepcopy(grid)\n grid[0][0] = 99\n return (shallow[0][0], deep[0][0], shallow[0] is grid[0])",
"input": "demo()",
"language": "Python",
"predicted_output": "(99, 0, True)"
} |
cmskf3c8200051wp25947eul8 | Submission 47EUL8 | {
"code": "def demo():\n loose = []\n for factor in range(1, 4):\n loose.append(lambda x: x * factor)\n bound = [lambda x, factor=factor: x * factor for factor in range(1, 4)]\n return ([f(10) for f in loose], [f(10) for f in bound])",
"input": "demo()",
"language": "Python",
"predicted_outpu... |
cmskf3c8200061wp24z0nxfpf | Submission 0NXFPF | {
"code": "from itertools import groupby\n\ntickets = [\"ops-3\", \"eng-1\", \"ops-9\", \"eng-4\"]\n\ndef team_of(ticket):\n return ticket.split(\"-\")[0]\n\ndef demo():\n raw = [(team, list(g)) for team, g in groupby(tickets, key=team_of)]\n tidy = [(team, list(g)) for team, g in groupby(sorted(tickets), ke... |
cmskf3c8200071wp2lcgno27p | Submission GNO27P | {
"code": "def demo():\n config = {\"retries\": 3}\n kept = config.setdefault(\"retries\", 10)\n added = config.setdefault(\"timeout\", 30)\n return (kept, added, config.get(\"timeout\", 99), sorted(config.items()))",
"input": "demo()",
"language": "Python",
"predicted_output": "(3, 30, 30, [('retri... |
cmskf3c8200081wp28tpa14hx | Submission PA14HX | {
"code": "class ParseError(Exception):\n pass\n\ndef parse_port(raw):\n try:\n return int(raw)\n except ValueError:\n raise ParseError(\"not a port: \" + raw) from None\n\ndef demo():\n results = []\n for raw in [\"8080\", \"https\"]:\n try:\n results.append(parse_port(... |
cmskf3c8300091wp29wn8ecs7 | Submission N8ECS7 | {
"code": "def demo():\n path = \"a/b/c/d\"\n parts = path.split(\"/\")\n return (parts[::-1], \"/\".join(parts[1:-1]), path.partition(\"/\"), path[::2])",
"input": "demo()",
"language": "Python",
"predicted_output": "(['d', 'c', 'b', 'a'], 'b/c', ('a', '/', 'b/c/d'), 'abcd')"
} |
cmskfpd460000x6p2765o8s86 | Submission 5O8S86 | {
"code": "from collections import defaultdict\n\ndef index_by_initial(names):\n buckets = defaultdict(list)\n for name in names:\n buckets[name[0]].append(name)\n missing = buckets[\"z\"]\n return (dict(buckets), missing, \"z\" in buckets)",
"input": "index_by_initial([\"ana\", \"arjun\", \"bela... |
cmskfpd470001x6p23240prqe | Submission 40PRQE | {
"code": "from collections import deque\n\ndef shuffle_queue():\n q = deque([1, 2, 3, 4], maxlen=4)\n q.rotate(1)\n snapshot = list(q)\n q.appendleft(99)\n return (snapshot, list(q), q.maxlen)",
"input": "shuffle_queue()",
"language": "Python",
"predicted_output": "([4, 1, 2, 3], [99, 4, 1, 2], ... |
cmskfpd470002x6p2ycc8i1sj | Submission C8I1SJ | {
"code": "from collections import namedtuple\n\nPoint = namedtuple(\"Point\", [\"x\", \"y\"])\n\ndef move_point():\n origin = Point(0, 0)\n shifted = origin._replace(y=5)\n return (origin, shifted, origin == Point(0, 0), shifted._asdict())",
"input": "move_point()",
"language": "Python",
"predicted_ou... |
cmskfpd470003x6p208eutk8e | Submission EUTK8E | {
"code": "from collections import OrderedDict\n\ndef reorder():\n od = OrderedDict([(\"a\", 1), (\"b\", 2), (\"c\", 3)])\n od.move_to_end(\"a\")\n first = list(od.keys())\n od.move_to_end(\"c\", last=False)\n return (first, list(od.keys()))",
"input": "reorder()",
"language": "Python",
"predicte... |
cmskfpd470004x6p2uwirhw78 | Submission IRHW78 | {
"code": "from collections import Counter\n\ndef counter_math():\n left = Counter(a=3, b=1)\n right = Counter(a=1, b=4)\n return (dict(left - right), dict(left + right), dict(left & right))",
"input": "counter_math()",
"language": "Python",
"predicted_output": "({'a': 2}, {'a': 4, 'b': 5}, {'a': 1, 'b... |
cmskfpd470005x6p2foxxbcs1 | Submission XXBCS1 | {
"code": "from functools import lru_cache\n\ncalls = []\n\n@lru_cache(maxsize=None)\ndef slow_square(n):\n calls.append(n)\n return n * n\n\ndef demo_cache():\n results = [slow_square(4), slow_square(4), slow_square(5)]\n return (results, calls)",
"input": "demo_cache()",
"language": "Python",
"pre... |
cmskfpd470006x6p2krj21lmm | Submission J21LMM | {
"code": "from functools import partial\n\ndef power(base, exponent):\n return base ** exponent\n\ndef demo_partial():\n square = partial(power, exponent=2)\n cube_of_two = partial(power, 2)\n return (square(7), cube_of_two(3))",
"input": "demo_partial()",
"language": "Python",
"predicted_output": ... |
cmskfpd470007x6p222pr0xuz | Submission PR0XUZ | {
"code": "from functools import reduce\n\ndef fold():\n numbers = [3, 1, 4, 1, 5]\n total = reduce(lambda a, b: a + b, numbers)\n seeded = reduce(lambda a, b: a + b, numbers, 100)\n largest = reduce(lambda a, b: a if a > b else b, numbers)\n return (total, seeded, largest)",
"input": "fold()",
"la... |
cmskfpd470008x6p2phg7werx | Submission G7WERX | {
"code": "from functools import wraps\n\ndef announce(fn):\n @wraps(fn)\n def inner(*args, **kwargs):\n return fn(*args, **kwargs) * 2\n return inner\n\ndef plain(fn):\n def inner(*args, **kwargs):\n return fn(*args, **kwargs)\n return inner\n\n@announce\ndef base(x):\n \"\"\"docstrin... |
cmskfpd470009x6p2zmftr2s5 | Submission FTR2S5 | {
"code": "class Base:\n def greet(self):\n return \"base\"\n\nclass Left(Base):\n def greet(self):\n return \"left->\" + super().greet()\n\nclass Right(Base):\n def greet(self):\n return \"right->\" + super().greet()\n\nclass Both(Left, Right):\n pass\n\ndef demo_mro():\n return (... |
cmskfpd47000ax6p223kae635 | Submission KAE635 | {
"code": "class Temperature:\n def __init__(self, celsius):\n self._celsius = celsius\n\n @property\n def fahrenheit(self):\n return self._celsius * 9 / 5 + 32\n\n @fahrenheit.setter\n def fahrenheit(self, value):\n self._celsius = (value - 32) * 5 / 9\n\ndef demo_property():\n ... |
cmskfpd47000bx6p2bq3uvguo | Submission 3UVGUO | {
"code": "class Money:\n def __init__(self, amount):\n self.amount = amount\n\n def __add__(self, other):\n return Money(self.amount + other.amount)\n\n def __eq__(self, other):\n return self.amount == other.amount\n\n def __repr__(self):\n return \"Money(\" + str(self.amount)... |
cmskfpd47000cx6p2x1o0moev | Submission O0MOEV | {
"code": "class Registry:\n members = []\n\n def __init__(self, name):\n self.name = name\n Registry.members.append(name)\n\n @classmethod\n def count(cls):\n return len(cls.members)\n\n @staticmethod\n def label():\n return \"registry\"\n\ndef demo_class_state():\n R... |
cmskfpd47000dx6p2ggiej64m | Submission IEJ64M | {
"code": "class Counter:\n total = 0\n\n def bump(self):\n self.total += 1\n return self.total\n\ndef demo_shadowing():\n a = Counter()\n b = Counter()\n first = a.bump()\n second = a.bump()\n return (first, second, b.total, Counter.total, \"total\" in a.__dict__)",
"input": "dem... |
cmskfpd47000ex6p25pphz9hy | Submission PHZ9HY | {
"code": "class Resource:\n def __init__(self, log):\n self.log = log\n\n def __enter__(self):\n self.log.append(\"enter\")\n return self\n\n def __exit__(self, exc_type, exc, tb):\n self.log.append(\"exit:\" + (exc_type.__name__ if exc_type else \"clean\"))\n return True\... |
cmskfpd47000fx6p2w5qkhnld | Submission QKHNLD | {
"code": "def noisy_range(n):\n for i in range(n):\n print(\"yielding\", i)\n yield i\n\ndef demo_lazy():\n gen = noisy_range(3)\n print(\"created\")\n first = next(gen)\n print(\"got\", first)\n return list(gen)",
"input": "demo_lazy()",
"language": "Python",
"predicted_output"... |
cmskfpd47000gx6p29j30ysdj | Submission 30YSDJ | {
"code": "def demo_next_default():\n it = iter([10, 20])\n a = next(it)\n b = next(it)\n c = next(it, \"empty\")\n try:\n next(it)\n d = \"no error\"\n except StopIteration:\n d = \"StopIteration\"\n return (a, b, c, d)",
"input": "demo_next_default()",
"language": "Pyth... |
cmskfpd47000hx6p2cnnrr8b4 | Submission NRR8B4 | {
"code": "def demo_generator_expr():\n squares = (x * x for x in range(4))\n first_pass = list(squares)\n second_pass = list(squares)\n return (first_pass, second_pass)",
"input": "demo_generator_expr()",
"language": "Python",
"predicted_output": "([0, 1, 4, 9], [])"
} |
cmskfpd47000ix6p20pacmnuw | Submission ACMNUW | {
"code": "from itertools import accumulate, chain, islice\n\ndef demo_itertools():\n running = list(accumulate([1, 2, 3, 4]))\n joined = list(chain([1, 2], \"ab\"))\n window = list(islice(range(10), 2, 7, 2))\n return (running, joined, window)",
"input": "demo_itertools()",
"language": "Python",
"p... |
cmskfpd47000jx6p2kajq3aon | Submission JQ3AON | {
"code": "def demo_zip_truncate():\n names = [\"a\", \"b\", \"c\"]\n scores = [1, 2]\n paired = list(zip(names, scores))\n unzipped = list(zip(*paired))\n return (paired, unzipped)",
"input": "demo_zip_truncate()",
"language": "Python",
"predicted_output": "([('a', 1), ('b', 2)], [('a', 'b'), (1... |
cmskfpd47000kx6p2it2r85a5 | Submission 2R85A5 | {
"code": "def truthy(value):\n print(\"checking\", value)\n return value > 2\n\ndef demo_short_circuit():\n any_result = any(truthy(v) for v in [1, 3, 5])\n print(\"---\")\n all_result = all(truthy(v) for v in [3, 1, 5])\n return (any_result, all_result)",
"input": "demo_short_circuit()",
"lang... |
cmskfpd47000lx6p2pn9rllgy | Submission 9RLLGY | {
"code": "def demo_sort_stability():\n rows = [(\"b\", 2), (\"a\", 2), (\"c\", 1)]\n by_number = sorted(rows, key=lambda r: r[1])\n in_place = list(rows)\n returned = in_place.sort()\n return (by_number, returned, in_place)",
"input": "demo_sort_stability()",
"language": "Python",
"predicted_out... |
cmskfpd47000mx6p2eh1owurq | Submission 1OWURQ | {
"code": "def demo_dict_comprehension():\n pairs = [(\"a\", 1), (\"b\", 2), (\"a\", 3)]\n collapsed = {k: v for k, v in pairs}\n merged = {**{\"a\": 0, \"z\": 9}, **collapsed}\n return (collapsed, merged, len(pairs))",
"input": "demo_dict_comprehension()",
"language": "Python",
"predicted_output": ... |
cmskfpd47000nx6p27w17ork7 | Submission 17ORK7 | {
"code": "def demo_dict_removal():\n data = {\"a\": 1, \"b\": 2, \"c\": 3}\n popped = data.pop(\"b\")\n missing = data.pop(\"zz\", \"default\")\n last = data.popitem()\n return (popped, missing, last, data)",
"input": "demo_dict_removal()",
"language": "Python",
"predicted_output": "(2, 'default... |
cmskfpd47000ox6p2dkksi4nv | Submission KSI4NV | {
"code": "def demo_slice_assign():\n nums = [0, 1, 2, 3, 4, 5]\n nums[1:3] = [\"a\", \"b\", \"c\"]\n copy = nums[:]\n nums[::2] = [None] * len(nums[::2])\n return (copy, nums)",
"input": "demo_slice_assign()",
"language": "Python",
"predicted_output": "([0, 'a', 'b', 'c', 3, 4, 5], [None, 'a', N... |
cmskfpd48000px6p2v14vqo4a | Submission 4VQO4A | {
"code": "def demo_repeated_refs():\n shared = [[]] * 3\n shared[0].append(\"x\")\n independent = [[] for _ in range(3)]\n independent[0].append(\"y\")\n return (shared, independent, shared[1] is shared[2])",
"input": "demo_repeated_refs()",
"language": "Python",
"predicted_output": "([['x'], ['... |
cmskfpd48000qx6p2n2wi82p4 | Submission WI82P4 | {
"code": "def demo_tuple_mutation():\n holder = ([1], \"fixed\")\n try:\n holder[0] += [2]\n outcome = \"no error\"\n except TypeError as exc:\n outcome = type(exc).__name__\n return (outcome, holder)",
"input": "demo_tuple_mutation()",
"language": "Python",
"predicted_output":... |
cmskfpd48000rx6p2ub50qz4y | Submission 50QZ4Y | {
"code": "def demo_unpacking():\n first, *middle, last = [1, 2, 3, 4, 5]\n (a, b), c = (1, 2), 3\n return (first, middle, last, a, b, c)",
"input": "demo_unpacking()",
"language": "Python",
"predicted_output": "(1, [2, 3, 4], 5, 1, 2, 3)"
} |
cmskfpd48000sx6p2gt75dfwh | Submission 75DFWH | {
"code": "def demo_floor_division():\n return (\n 7 // 2, -7 // 2,\n 7 % 3, -7 % 3,\n divmod(-7, 2),\n )",
"input": "demo_floor_division()",
"language": "Python",
"predicted_output": "(3, -4, 1, 2, (-4, 1))"
} |
cmskfpd48000tx6p25c19vws9 | Submission 19VWS9 | {
"code": "def demo_rounding():\n return (round(0.5), round(1.5), round(2.5), round(2.675, 2), round(-1.5))",
"input": "demo_rounding()",
"language": "Python",
"predicted_output": "(0, 2, 2, 2.67, -2)"
} |
cmskfpd48000ux6p22d5tlcj7 | Submission 5TLCJ7 | {
"code": "def demo_float_precision():\n total = 0.1 + 0.2\n return (total, total == 0.3, abs(total - 0.3) < 1e-9, 1 / 3)",
"input": "demo_float_precision()",
"language": "Python",
"predicted_output": "(0.30000000000000004, False, True, 0.3333333333333333)"
} |
cmskfpd48000vx6p2qp65b639 | Submission 65B639 | {
"code": "def demo_string_methods():\n raw = \" Report-2024-final.txt \"\n trimmed = raw.strip()\n return (\n trimmed.split(\"-\"),\n trimmed.rsplit(\"-\", 1),\n trimmed.replace(\"-\", \"_\", 1),\n trimmed.endswith(\".txt\"),\n )",
"input": "demo_string_methods()",
"lang... |
cmskfpd48000wx6p29wilm6gc | Submission ILM6GC | {
"code": "def demo_formatting():\n value = 3.14159\n name = \"pi\"\n return (\n \"{:.2f}\".format(value),\n \"{:>8}\".format(name),\n \"{:08.3f}\".format(value),\n f\"{name:*^9}\",\n )",
"input": "demo_formatting()",
"language": "Python",
"predicted_output": "('3.14', ' ... |
cmskfpd48000xx6p26i7nnib7 | Submission 7NNIB7 | {
"code": "import re\n\ndef demo_regex():\n text = \"id=12, id=345, name=ada\"\n numbers = re.findall(r\"id=(\\d+)\", text)\n masked = re.sub(r\"\\d+\", \"#\", text)\n match = re.search(r\"name=(\\w+)\", text)\n return (numbers, masked, match.group(1), match.span())",
"input": "demo_regex()",
"lang... |
cmskfpd48000yx6p27d6tmmfu | Submission 6TMMFU | {
"code": "import json\n\ndef demo_json():\n payload = {\"b\": 2, \"a\": [1, {\"c\": None}], \"flag\": True}\n text = json.dumps(payload, sort_keys=True)\n restored = json.loads(text)\n return (text, restored[\"a\"][1][\"c\"], restored == payload)",
"input": "demo_json()",
"language": "Python",
"pre... |
cmskfpd48000zx6p2kejqm7xx | Submission JQM7XX | {
"code": "def make_counter():\n count = 0\n\n def bump():\n nonlocal count\n count += 1\n return count\n\n return bump\n\ndef demo_nonlocal():\n first = make_counter()\n second = make_counter()\n return (first(), first(), second())",
"input": "demo_nonlocal()",
"language": ... |
cmskfpd480010x6p2wy5lhlet | Submission 5LHLET | {
"code": "def classify(n):\n for candidate in range(2, n):\n if n % candidate == 0:\n return (\"composite\", candidate)\n else:\n return (\"prime\", None)\n\ndef demo_for_else():\n return (classify(9), classify(7))",
"input": "demo_for_else()",
"language": "Python",
"predicted... |
cmskfpd480011x6p2zei9p4qw | Submission I9P4QW | {
"code": "def demo_try_else():\n log = []\n for raw in [\"5\", \"oops\"]:\n try:\n value = int(raw)\n except ValueError:\n log.append(\"except\")\n else:\n log.append(\"else:\" + str(value))\n finally:\n log.append(\"finally\")\n return... |
cmskfpd480012x6p25xexstzj | Submission EXSTZJ | {
"code": "def demo_walrus():\n readings = [4, 8, 1, 9]\n kept = []\n while readings and (current := readings.pop(0)) < 9:\n kept.append(current)\n return (kept, readings, current)",
"input": "demo_walrus()",
"language": "Python",
"predicted_output": "([4, 8, 1], [], 9)"
} |
cmskfpd480013x6p2eg5i0jjb | Submission 5I0JJB | {
"code": "def tally(*args, sep=\"-\", **kwargs):\n return (args, sep, sorted(kwargs.items()))\n\ndef demo_signature():\n return (tally(1, 2, sep=\"+\", mode=\"fast\"), tally())",
"input": "demo_signature()",
"language": "Python",
"predicted_output": "(((1, 2), '+', [('mode', 'fast')]), ((), '-', []))"
} |
cmsms65yl0015dmp2r0v8hlyy | Submission V8HLYY | {
"code": "def fib_memo(n, cache={}):\n if n in cache:\n return cache[n]\n if n <= 1:\n return n\n cache[n] = fib_memo(n - 1, cache) + fib_memo(n - 2, cache)\n return cache[n]\n\ndef fib_sequence(count):\n return [fib_memo(i) for i in range(count)]",
"input": "fib_sequence(10)",
"lang... |
cmsms65yl0016dmp2h7cwgkzy | Submission CWGKZY | {
"code": "class Stack:\n def __init__(self):\n self._items = []\n def push(self, item):\n self._items.append(item)\n def pop(self):\n return self._items.pop()\n def __repr__(self):\n return f\"Stack({self._items})\"\n\ndef use_stack():\n s = Stack()\n for i in [1, 2, 3]:... |
cmsms65yl0018dmp2el6rff6e | Submission 6RFF6E | {
"code": "def flatten(nested):\n result = []\n for item in nested:\n if isinstance(item, list):\n result.extend(flatten(item))\n else:\n result.append(item)\n return result",
"input": "flatten([1, [2, 3, [4, [5, 6]], 7], 8])",
"language": "Python",
"predicted_output... |
cmsms65yl001cdmp2iet1jnom | Submission T1JNOM | {
"code": "class Node:\n def __init__(self, value, next=None):\n self.value = value\n self.next = next\n\ndef linked_list_to_list(head):\n out = []\n while head:\n out.append(head.value)\n head = head.next\n return out\n\ndef build_and_walk():\n head = Node(1, Node(2, Node(3... |
cmsms65yl001edmp2hgo5ornw | Submission O5ORNW | {
"code": "def custom_sort(records):\n return sorted(records, key=lambda r: (-r[1], r[0]))",
"input": "custom_sort([(\"apple\", 3), (\"banana\", 5), (\"cherry\", 3), (\"date\", 5)])",
"language": "Python",
"predicted_output": "[('banana', 5), ('date', 5), ('apple', 3), ('cherry', 3)]"
} |
cmsms65yl001fdmp242km4ilp | Submission KM4ILP | {
"code": "def try_finally_demo(x):\n log = []\n try:\n if x < 0:\n raise ValueError(\"negative\")\n log.append(\"processed\")\n return x * 2\n except ValueError as e:\n log.append(f\"error: {e}\")\n return -1\n finally:\n log.append(\"cleanup\")\n r... |
cmsms65yl001gdmp272796quj | Submission 796QUJ | {
"code": "def make_counter():\n count = 0\n def increment(step=1):\n nonlocal count\n count += step\n return count\n return increment\n\ndef run_counter():\n inc = make_counter()\n inc(3)\n inc(2)\n return inc(5)",
"input": "run_counter()",
"language": "Python",
"predi... |
cmsms65yl001idmp2po1v4lzd | Submission 1V4LZD | {
"code": "def apply_decorator():\n def logged(func):\n calls = []\n def wrapper(*args, **kwargs):\n result = func(*args, **kwargs)\n calls.append((args, result))\n return result\n wrapper.calls = calls\n return wrapper\n\n @logged\n def square(x):... |
cmsms65yl001kdmp2w35m9my5 | Submission 5M9MY5 | {
"code": "def default_arg_pitfall(value, bucket=[]):\n bucket.append(value)\n return bucket\n\ndef run_pitfall():\n a = default_arg_pitfall(1)\n b = default_arg_pitfall(2)\n return a, b",
"input": "run_pitfall()",
"language": "Python",
"predicted_output": "([1, 2], [1, 2])"
} |
cmsms65yl001ldmp27xl7ddf4 | Submission L7DDF4 | {
"code": "def chained_comparisons(a, b, c):\n return a < b < c, a < b > c",
"input": "chained_comparisons(1, 5, 10)",
"language": "Python",
"predicted_output": "(True, False)"
} |
cmsms65yl001mdmp253fhlc9x | Submission FHLC9X | {
"code": "class Animal:\n def speak(self):\n return \"...\"\n\nclass Dog(Animal):\n def speak(self):\n return \"Woof\"\n\nclass Cat(Animal):\n def speak(self):\n return \"Meow\"\n\ndef speak_all(animals):\n return [a.speak() for a in animals]",
"input": "speak_all([Dog(), Cat(), An... |
cmsms65yl001odmp2u9t9o5sk | Submission T9O5SK | {
"code": "def walrus_demo(nums):\n result = []\n i = 0\n while (n := nums[i] if i < len(nums) else None) is not None:\n result.append(n * 2)\n i += 1\n return result",
"input": "walrus_demo([1, 2, 3])",
"language": "Python",
"predicted_output": "[2, 4, 6]"
} |
cmsms65yl001pdmp28w0q1k9v | Submission 0Q1K9V | {
"code": "from collections import namedtuple\nPoint = namedtuple(\"Point\", [\"x\", \"y\"])\n\ndef sum_points(points):\n total_x = sum(p.x for p in points)\n total_y = sum(p.y for p in points)\n return Point(total_x, total_y)",
"input": "sum_points([Point(1, 2), Point(3, 4), Point(5, 6)])",
"language": ... |
cmsms65yl001rdmp21hfk09gv | Submission FK09GV | {
"code": "def generator_pipeline(n):\n def squares():\n for i in range(n):\n yield i * i\n return list(x for x in squares() if x % 2 == 0)",
"input": "generator_pipeline(10)",
"language": "Python",
"predicted_output": "[0, 4, 16, 36, 64]"
} |
cmsms65yl001sdmp2givupg1f | Submission VUPG1F | {
"code": "class Temperature:\n def __init__(self, celsius):\n self._celsius = celsius\n\n @property\n def fahrenheit(self):\n return self._celsius * 9 / 5 + 32\n\n @fahrenheit.setter\n def fahrenheit(self, value):\n self._celsius = (value - 32) * 5 / 9\n\ndef convert_round_trip():... |
cmsms65yl001tdmp26yej0i1k | Submission EJ0I1K | {
"code": "def custom_exception_demo():\n class InsufficientFundsError(Exception):\n def __init__(self, balance, amount):\n self.balance = balance\n self.amount = amount\n super().__init__(f\"Cannot withdraw {amount}, balance is {balance}\")\n\n def withdraw(balance, amou... |
cmsms65yl001udmp2lkajjzn0 | Submission AJJZN0 | {
"code": "def binary_search(arr, target):\n lo, hi = 0, len(arr) - 1\n while lo <= hi:\n mid = (lo + hi) // 2\n if arr[mid] == target:\n return mid\n elif arr[mid] < target:\n lo = mid + 1\n else:\n hi = mid - 1\n return -1",
"input": "binary_se... |
cmsms65ym001wdmp2pm5n7obm | Submission 5N7OBM | {
"code": "import itertools\ndef pairwise_products(nums):\n return [a * b for a, b in itertools.combinations(nums, 2)]",
"input": "pairwise_products([1, 2, 3, 4])",
"language": "Python",
"predicted_output": "[2, 3, 4, 6, 8, 12]"
} |
cmsms65ym001ydmp2xg18vj5g | Submission 18VJ5G | {
"code": "class Vector:\n def __init__(self, x, y):\n self.x, self.y = x, y\n def __add__(self, other):\n return Vector(self.x + other.x, self.y + other.y)\n def __eq__(self, other):\n return self.x == other.x and self.y == other.y\n def __repr__(self):\n return f\"Vector({sel... |
cmsms65ym001zdmp2lspm4jta | Submission PM4JTA | {
"code": "def recursive_sum_digits(n):\n if n < 10:\n return n\n return n % 10 + recursive_sum_digits(n // 10)",
"input": "recursive_sum_digits(987654)",
"language": "Python",
"predicted_output": "39"
} |
cmsms65ym0020dmp25eg7nx6x | Submission G7NX6X | {
"code": "def slicing_tricks(lst):\n return lst[::2], lst[::-1], lst[1:-1], lst[-3:]",
"input": "slicing_tricks([0, 1, 2, 3, 4, 5, 6, 7, 8, 9])",
"language": "Python",
"predicted_output": "([0, 2, 4, 6, 8], [9, 8, 7, 6, 5, 4, 3, 2, 1, 0], [1, 2, 3, 4, 5, 6, 7, 8], [7, 8, 9])"
} |
cmsms65ym0021dmp2fu55zszn | Submission 55ZSZN | {
"code": "def context_manager_demo():\n class Resource:\n def __init__(self, name):\n self.name = name\n self.log = []\n def __enter__(self):\n self.log.append(f\"open:{self.name}\")\n return self\n def __exit__(self, exc_type, exc_val, exc_tb):\n ... |
cmsms65ym0022dmp2202rqi5h | Submission 2RQI5H | {
"code": "def deep_update(base, updates):\n for key, value in updates.items():\n if isinstance(value, dict) and isinstance(base.get(key), dict):\n deep_update(base[key], value)\n else:\n base[key] = value\n return base",
"input": "deep_update({'a': 1, 'b': {'c': 2, 'd': 3}... |
cmsms65ym0024dmp2jsgsbo3f | Submission GSBO3F | {
"code": "def lru_style_cache():\n from functools import lru_cache\n\n calls = []\n\n @lru_cache(maxsize=None)\n def expensive(n):\n calls.append(n)\n return n * n\n\n expensive(4)\n expensive(4)\n expensive(5)\n expensive(4)\n return calls, expensive(5)",
"input": "lru_sty... |
cmsms65ym0025dmp2hbik6tq3 | Submission IK6TQ3 | {
"code": "def validate_and_transform(records):\n valid = []\n errors = []\n for r in records:\n try:\n age = int(r[\"age\"])\n if age < 0:\n raise ValueError(\"negative age\")\n valid.append({\"name\": r[\"name\"], \"age\": age})\n except (KeyErr... |
cmsms65ym0027dmp2wyqlwn0p | Submission QLWN0P | {
"code": "class ReadOnlyDict:\n def __init__(self, data):\n self._data = dict(data)\n def __getitem__(self, key):\n return self._data[key]\n def __setitem__(self, key, value):\n raise TypeError(\"read-only\")\n def __repr__(self):\n return f\"ReadOnlyDict({self._data})\"\n\nde... |
cmsms65ym0029dmp2fn3fu20h | Submission 3FU20H | {
"code": "def sort_stability_demo(items):\n return sorted(items, key=lambda x: x[0])",
"input": "sort_stability_demo([(1, \"a\"), (2, \"b\"), (1, \"c\"), (2, \"d\"), (1, \"e\")])",
"language": "Python",
"predicted_output": "[(1, 'a'), (1, 'c'), (1, 'e'), (2, 'b'), (2, 'd')]"
} |
cmsms65ym002admp2k44z2fdq | Submission 4Z2FDQ | {
"code": "def exception_chaining_demo():\n def parse(value):\n try:\n return int(value)\n except ValueError as e:\n raise RuntimeError(\"parse failed\") from e\n\n try:\n parse(\"abc\")\n except RuntimeError as e:\n return str(e), type(e.__cause__).__name__"... |
cmsms65ym002cdmp20zjm36jy | Submission JM36JY | {
"code": "def kwargs_and_args_demo(*args, **kwargs):\n return sum(args) + sum(kwargs.values()), sorted(kwargs.keys())",
"input": "kwargs_and_args_demo(1, 2, 3, x=10, y=20)",
"language": "Python",
"predicted_output": "(36, ['x', 'y'])"
} |
cmsms65ym002edmp24r7p7ur2 | Submission 7P7UR2 | {
"code": "def find_duplicates_with_index(items):\n seen = {}\n dupes = []\n for i, item in enumerate(items):\n if item in seen:\n dupes.append((item, seen[item], i))\n else:\n seen[item] = i\n return dupes",
"input": "find_duplicates_with_index([\"a\", \"b\", \"a\", ... |
cmsms65ym002fdmp2sv8l9ze7 | Submission 8L9ZE7 | {
"code": "def class_method_and_static_demo():\n class Circle:\n pi = 3.14159\n def __init__(self, radius):\n self.radius = radius\n @classmethod\n def unit_circle(cls):\n return cls(1)\n @staticmethod\n def area_for(radius):\n return Circl... |
cmsmt31me0037dmp2dnd6rlsg | Submission D6RLSG | {
"code": "def safe_divs(pairs):\n out = []\n for a, b in pairs:\n try:\n out.append(round(a / b, 3))\n except ZeroDivisionError:\n out.append(None)\n return out",
"input": "safe_divs([(10, 4), (1, 0)])",
"language": "Python",
"predicted_output": "[2.5, None]"
} |
cmsmt31me0038dmp2g8ln771t | Submission LN771T | {
"code": "def flatten(nested):\n out = []\n for item in nested:\n if isinstance(item, list):\n out.extend(item)\n else:\n out.append(item)\n return out",
"input": "flatten([1, [2, 3], 4, [5]])",
"language": "Python",
"predicted_output": "[1, 2, 3, 4, 5]"
} |
cmsmt31me0039dmp2sd0scuw6 | Submission 0SCUW6 | {
"code": "def group_parity(nums):\n groups = {'even': [], 'odd': []}\n for n in nums:\n groups['even' if n % 2 == 0 else 'odd'].append(n)\n return groups",
"input": "group_parity([1, 2, 3, 4, 5])",
"language": "Python",
"predicted_output": "{'even': [2, 4], 'odd': [1, 3, 5]}"
} |
cmsmt31me003admp23gvj9ios | Submission VJ9IOS | {
"code": "def unique_sorted(items):\n return sorted(set(items))",
"input": "unique_sorted([3, 1, 2, 3, 1, 4])",
"language": "Python",
"predicted_output": "[1, 2, 3, 4]"
} |
cmsmt31me003bdmp2q8mw3cbt | Submission MW3CBT | {
"code": "def word_lengths(sentence):\n return {w: len(w) for w in sentence.split()}",
"input": "word_lengths('the quick brown')",
"language": "Python",
"predicted_output": "{'the': 3, 'quick': 5, 'brown': 5}"
} |
cmsmt31me003cdmp2aso8su1o | Submission O8SU1O | {
"code": "def clamp_all(values, low, high):\n return [max(low, min(v, high)) for v in values]",
"input": "clamp_all([5, -3, 15], 0, 10)",
"language": "Python",
"predicted_output": "[5, 0, 10]"
} |
cmsmt31me003ddmp2z9zdhdt7 | Submission ZDHDT7 | {
"code": "def fib(n):\n a, b = 0, 1\n seq = []\n for _ in range(n):\n seq.append(a)\n a, b = b, a + b\n return seq",
"input": "fib(7)",
"language": "Python",
"predicted_output": "[0, 1, 1, 2, 3, 5, 8]"
} |
cmsmt31me003edmp25clx0lg4 | Submission LX0LG4 | {
"code": "def merge_dicts(a, b):\n result = dict(a)\n result.update(b)\n return result",
"input": "merge_dicts({'x': 1, 'y': 2}, {'y': 9, 'z': 3})",
"language": "Python",
"predicted_output": "{'x': 1, 'y': 9, 'z': 3}"
} |
cmsmt31me003fdmp2fy8adeje | Submission 8ADEJE | {
"code": "def count_vowels(text):\n return sum(1 for c in text.lower() if c in 'aeiou')",
"input": "count_vowels('Encyclopedia')",
"language": "Python",
"predicted_output": "5"
} |
cmsmt6sqa003hdmp2i68pnij5 | Submission 8PNIJ5 | {
"code": "def first_letters(words):\n return [w[0] for w in words]",
"input": "first_letters(['tree', 'quiet', 'brown'])",
"language": "Python",
"predicted_output": "['t', 'q', 'b']"
} |
cmsmt6sqa003idmp2srnydpyp | Submission NYDPYP | {
"code": "def running_max(nums):\n best = nums[0]\n out = []\n for n in nums:\n best = max(best, n)\n out.append(best)\n return out",
"input": "running_max([1, 3, 2, 5, 4])",
"language": "Python",
"predicted_output": "[1, 3, 3, 5, 5]"
} |
cmsmt6sqa003jdmp2a67oiimk | Submission 7OIIMK | {
"code": "def dedupe_keep_order(seq):\n seen = set()\n out = []\n for x in seq:\n if x not in seen:\n seen.add(x)\n out.append(x)\n return out",
"input": "dedupe_keep_order([3, 1, 3, 2, 1, 4])",
"language": "Python",
"predicted_output": "[3, 1, 2, 4]"
} |
cmsmt6sqa003kdmp2m0ue36m9 | Submission UE36M9 | {
"code": "def digit_sums(nums):\n return [sum(int(d) for d in str(abs(n))) for n in nums]",
"input": "digit_sums([12345, -99])",
"language": "Python",
"predicted_output": "[15, 18]"
} |
cmsmt6sqa003ldmp2fyfinuci | Submission FINUCI | {
"code": "def invert_mapping(d):\n return {v: k for k, v in d.items()}",
"input": "invert_mapping({'a': 1, 'b': 2, 'c': 3})",
"language": "Python",
"predicted_output": "{1: 'a', 2: 'b', 3: 'c'}"
} |
cmsmt6sqa003ndmp27a8e4gov | Submission 8E4GOV | {
"code": "def first_repeated(nums):\n seen = set()\n for n in nums:\n if n in seen:\n return n\n seen.add(n)\n return None",
"input": "first_repeated([2, 4, 6, 4, 8])",
"language": "Python",
"predicted_output": "4"
} |
cmsmt6sqa003odmp21bz19ele | Submission Z19ELE | {
"code": "def normalize(scores):\n lo, hi = min(scores), max(scores)\n span = hi - lo\n return [round((s - lo) / span, 2) for s in scores]",
"input": "normalize([10, 20, 30])",
"language": "Python",
"predicted_output": "[0.0, 0.5, 1.0]"
} |
cmsmt6sqa003pdmp2a9wxm3j6 | Submission WXM3J6 | {
"code": "def stack_ops(commands):\n stack = []\n for op in commands:\n if op == 'pop':\n stack.pop()\n else:\n stack.append(op)\n return stack",
"input": "stack_ops(['a', 'b', 'pop', 'c'])",
"language": "Python",
"predicted_output": "['a', 'c']"
} |
cmsmt6sqa003qdmp2qhof64wq | Submission OF64WQ | {
"code": "def rle_encode(s):\n if not s:\n return []\n out = []\n prev = s[0]\n count = 1\n for ch in s[1:]:\n if ch == prev:\n count += 1\n else:\n out.append((prev, count))\n prev = ch\n count = 1\n out.append((prev, count))\n re... |
cmsmt6sqa003rdmp2tdati42s | Submission ATI42S | {
"code": "def price_after_tax(prices, rate):\n return [round(p * (1 + rate), 2) for p in prices]",
"input": "price_after_tax([100, 250], 0.08)",
"language": "Python",
"predicted_output": "[108.0, 270.0]"
} |
End of preview. Expand in Data Studio
Python Execution Trace & Output Prediction
Self-contained Python programs paired with a concrete function call and the exact runtime output. Include realistic control flow, collections, exceptions, and standard-library behavior; exclude external network, filesystem, secrets, personal data, and copied benchmark examples.
About
This dataset was produced by the DataBounty community and published here as part of an open, karma-only program.
- Accepted items: 1000
- Language: Python
- Framework: Community
- License: CC-BY-4.0
Contributors
- @advisorygopher
- @ajaysomavarapu
- @arun-ai-forge
- @benam2k
- @bhanu-n
- @bravebooby
- @combinedgoat
- @culturalturtle
- @directfly
- @dutchswan
- @famousgoose
- @gladiator
- @integralgoldfish
- @kailas
- @kumar-k
- @maheshk218
- @odysseus
- @pleasedgiraffe
- @raja
- @sparemockingbird
- @sravan
- @sriramreddy
- @starlord
- @unsightlyscallop
- @vamshi
- @vinodhsnair
Files
data/items.jsonl— the accepted dataset items (one JSON object per line).manifest.json— machine-readable provenance, license, and credit metadata.
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