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How to Swap Case of Every Character in Python

Swap uppercase to lowercase and lowercase to uppercase for every character in a string using Python's built-in swapcase() method.

string swapcase case conversion

Python

def swap_case(text):
    """
    Swap uppercase to lowercase and lowercase to uppercase 
    for every character in the given string.
    """
    return text.swapcase()

if __name__ == "__main__":
    sample = "Hello World! Python3.9"
    result = swap_case(sample)
    print(f"Input:  {sample}")
    print(f"Output: {r…

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