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Solution #2192

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ulamelnyk Apr 12, 2026
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19 changes: 16 additions & 3 deletions app/main.py
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Original file line number Diff line number Diff line change
@@ -1,6 +1,19 @@
from typing import Callable
from typing import Callable, Any


def cache(func: Callable) -> Callable:
# Write your code here
pass
cache_store = {}

def wrapper(*args, **kwargs) -> Any:
key = (args, frozenset(kwargs.items()))

if key in cache_store:
print("Getting from cache")
return cache_store[key]
else:
print("Calculating new result")
result = func(*args, **kwargs)
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@mateacademy-ai-mentor mateacademy-ai-mentor Apr 12, 2026

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This uses only args as the cache key and completely ignores kwargs, so calls that differ only by keyword arguments will be cached incorrectly. The task requires a decorator that "stores results of completed runs with different arguments, number of arguments can be also different." Consider creating a composite, hashable key that includes both positional and keyword arguments (for example: key = (args, frozenset(kwargs.items()))).

cache_store[key] = result
return result

return wrapper
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