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README.md |
README.md
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 .
$