Reverse the Case

Published by Helen Yu in
formattingloopsstrings

Given a string, create a function to reverse the case. All lower-cased letters should be upper-cased, and vice versa.

Examples

reverse_case("Happy Birthday") ➞ "hAPPY bIRTHDAY"

reverse_case("MANY THANKS") ➞ "many thanks"

reverse_case("sPoNtAnEoUs") ➞ "SpOnTaNeOuS"

Notes

N/A

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