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## cleanstr
### Instructions
Write a **program** that takes a `string`, and displays this `string` with exactly:
- one space between words.
- without spaces nor tabs at the beginning nor at the end.
- with the result followed by a newline ("`\n`").
A "word" is defined as a part of a `string` delimited either by spaces/tabs, or
by the start/end of the `string`.
If the number of arguments is not 1, or if there are no words to display, the
program displays a newline ("`\n`").
### Usage :
```console
student@ubuntu:~/piscine-go/cleanstr$ go build
student@ubuntu:~/piscine-go/cleanstr$ ./cleanstr "you see it's easy to display the same thing" | cat -e
you see it's easy to display the same thing$
student@ubuntu:~/piscine-go/cleanstr$ ./cleanstr " only it's harder "
only it's harder$
student@ubuntu:~/piscine-go/cleanstr$ ./cleanstr " how funny" "Did you hear Mathilde ?"
$
student@ubuntu:~/piscine-go/cleanstr$ ./cleanstr "" | cat -e
$
student@ubuntu:~/piscine-go/cleanstr$
```