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## displayz
### Instructions
5 years ago
Write a program that takes a `string`, and displays the first `z` character it encounters in it, followed by a newline (`'\n'`). If there are no `z` characters in the string, the program just writes `z` followed by a newline (`'\n'`). If the number of parameters is not 1, the program displays an `z` followed by a newline (`'\n'`).
### Usage
```console
student@ubuntu:~/piscine-go/test$ go build
student@ubuntu:~/piscine-go/test$ ./test "xyz"
z
student@ubuntu:~/piscine-go/test$ ./test "bcvbvZ"
z
student@ubuntu:~/piscine-go/test$ ./test "nbv"
z
student@ubuntu:~/piscine-go/test$ ./test
```