[issue38451] Datetime definition does not work in function definition as list definition

[Karthikeyan Singaravelan]

Karthikeyan Singaravelan <tir.karthi at gmail.com> added the comment:

Default arguments are evaluated only once as the function is defined and not per call.

This is a common gotcha : https://stackoverflow.com/questions/1132941/least-astonishment-and-the-mutable-default-argument

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue38451>
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