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532 B

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 a newline ('\n').

Usage

student@ubuntu:~/piscine-go/test$ go build
student@ubuntu:~/piscine-go/test$ ./test "SometHingS iS WronG"
sOMEThINGs Is wRONg
student@ubuntu:~/piscine-go/test$ ./test

student@ubuntu:~/piscine-go/test$