Python Interview Questions · interview question
In Python, which comparison about weakref and Object Lifetime is accurate?
Multiple choiceEasypython-interview-2026interviewpythoncomparison
Answer and explanation
Correct answer
A. Strong references preserve objects, while weak references allow caches or registries to observe objects without taking ownership of their lifetime.
Why
Strong references preserve objects, while weak references allow caches or registries to observe objects without taking ownership of their lifetime. This is the comparison that usually separates memorization from understanding.
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