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Python Interview Questions · interview question

Which statement about Mutable Default Arguments is the strongest interview answer?

Multiple choiceEasypython-interview-2026interviewpythonstatement
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Answer and explanation

Correct answer

B. Default argument values are evaluated once when the function is defined, not every time the function is called.

Why

Default argument values are evaluated once when the function is defined, not every time the function is called. This is the base concept interviewers commonly test first.

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