Python Interview Questions · interview question
In Python, which comparison about Reference Counting and Garbage Collection is accurate?
Multiple choiceEasypython-interview-2026interviewpythoncomparison
Answer and explanation
Correct answer
B. Reference counting frees many objects immediately, while cycle detection is needed when objects keep each other alive indirectly.
Why
Reference counting frees many objects immediately, while cycle detection is needed when objects keep each other alive indirectly. This is the comparison that usually separates memorization from understanding.
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