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public/subjects/switchcase/README.md

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switchcase

Instructions

Write a program that takes a string and reverses the case of all its letters.

  • Other characters remain unchanged.

  • The result must be followed by a newline ('\n').

  • If the number of arguments is different from 1, the program displays nothing.

Usage

$ go run . "SometHingS iS WronG"
sOMEThINGs Is wRONg
$ go run .
$