Reference library

Functions & basics

Small reusable building blocks — parameters, returns, and clear function design.

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Functions & basics medium

Return multiple values

Return a tuple of results and unpack them at the call site.

functions return tuple

Python

def min_max(values):
    if not values:
        return None, None
    return min(values), max(values)


data = [3, 9, 1, 7]
lo, hi = min_max(data)
print(f"range: {lo} .. {hi}")

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