Python Programming Learning Circle
Apr 20, 2021 · Fundamentals
Understanding Python Function Parameter Passing: Value vs. Reference
This article explains how Python implements function argument passing, distinguishing value passing—where a copy of the argument is used—from reference passing for mutable objects, illustrating both mechanisms with swap examples, memory diagrams, and concluding with best practices for modifying data inside functions.
function parametersmutable-objectsreference passing
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