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How to Use Union Type Hints in Python

This code demonstrates how to use Union type hints to specify that a parameter can accept multiple types (int, float, str) and handle them accordingly.

type-hints union typing
Python 
from typing import Union

def process_value(value: Union[int, float, str]) -> str:
    if isinstance(value, (int, float)):
        return f"Number: {value * 2}"
    return f"String: {value.upper()}"

if __name__ == "__main__":
    print(process_value(10))
    print(process_value(3.14))
    print(process_value("hello"))
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