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23 lines
494 B
23 lines
494 B
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## switchcase
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### Instructions
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Write a program that takes a string and reverses the case of all its letters.
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- Other characters remain unchanged.
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- You must display the result followed by a '\n'.
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- If the number of arguments is not 1, the program displays '\n'.
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### Expected output
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```console
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student@ubuntu:~/piscine/test$ go build
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student@ubuntu:~/piscine/test$ ./test "SometHingS iS WronG"
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sOMEThINGs Is wRONg
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student@ubuntu:~/piscine/test$ ./test
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student@ubuntu:~/piscine/test$
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```
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