[Python] How to annotate different iterable types with same items' type?

For example:

How to set the argument type to: list, which contains ints and floats, or tuple, which contains ints and floats?

tried:

from typing import List, Tuple, Union

def some(arg: Union[List, Tuple][int, float]): ...


Raises

TypeError: typing.Union[typing.List, typing.Tuple] is not a generic class


The general question is for any iterables' types' combinations and any content types.

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