Union typing is only needed when you have a statically typed language, as you need to declare that an object can return one of multiple types (in your case ... ... <看更多>

In this tutorial we will explore one of the many features given to us by the Python Typing Library, the Union Keyword. ... <看更多>

from typing import Union print(isinstance(1, Union[str, int])) # error: ... Union s of type s, not other type forms python/mypy#12370. ... <看更多>

typing is a Python module that allows developers to specify the types of inputs ... Before Python 3.10 from typing import Dict, Union def get_price(grocery: ... ... <看更多>