.swapcase()

Takes a string and returns a copy of that string in which all lowercase letters are uppercase, and all upercase letters are lowercase. Numbers and symbols are not changed.

string.swapcase()

message = "Hello, World!"

new_string = message.swapcase()

print(new_string)
# Output: "hELLO, wORLD!"

The .swapcase() method does not change the string it is used on:

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