Python Interview Questions · interview question
In Python, which comparison about Shallow vs Deep Copy is accurate?
Multiple choiceEasypython-interview-2026interviewpythoncomparison
Answer and explanation
Correct answer
B. Shallow copies are cheaper and often enough, while deep copies clone nested structures at greater runtime and memory cost.
Why
Shallow copies are cheaper and often enough, while deep copies clone nested structures at greater runtime and memory cost. This is the comparison that usually separates memorization from understanding.
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