Advanced Python · interview question
A bug appears around functools.wraps. What is the strongest first debugging move?
Multiple choiceEasychapter-14-curatedpremiumadvanced-pythonfunctools-wraps
from functools import wraps
def log_calls(fn):
@wraps(fn)
def wrapper(*args, **kwargs):
return fn(*args, **kwargs)
return wrapperAnswer and explanation
Correct answer
B. Trace one concrete example, inspect the state transitions, and compare them to the intended rule before rewriting anything.
Why
That approach is reliable because it creates evidence. Skipping wraps can make stack traces and framework behavior harder to interpret.
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