How python uses functions with only keyword arguments

This article will explain in detail how python uses functions with only keyword parameters. Xiaobian thinks it is quite practical, so share it with you as a reference. I hope you can gain something after reading this article.

Functions with keyword arguments only (kwargs)

Sometimes, using functions that only support keyword arguments can make the code clearer:

def test(*, a, b): pass test("value for a", "value for b") # TypeError: test() takes 0 positional arguments... test(a="value", b="value 2") # Works...

Just add a * parameter in front of the keyword parameter and you can easily implement it. Of course, if you want to add a position parameter, you can add it before the * parameter.

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