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Questions - default-parameters

Are there caveats of using mutable types as default parameters in functions in Python?

I have recently read about mutable default parameters in Python. For some reason, I came up with an idea of using it like this: data = [3, 4, 1, 8, 5, 9, 2, 6, 7] def get_min(checked=[]): global...
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Oleksandr Novik

python

function

mutable

default-parameters

Votes: 0

Answers: 1

Latest Answer

The main caveat is that someone reading your code later, unless they're familiar with this particular gotcha, might not understand that checked persists, or that the caller isn't actually intended to ...
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Samwise

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