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## doop
### Instructions
Write a [program](TODO-LINK) that is called `doop`.
The program has to be used with three arguments:
- A value
- An operator
- Another value
6 years ago
In case of an invalid operator the programs prints `0`.
In case of an invalid number of arguments the program prints nothing.
The program has to handle the modulo and division operations by 0 as shown on the output examples below.
`fmt.Print` is authorized.
### Usage
```console
student@ubuntu:~/piscine/test$ go build doop.go
student@ubuntu:~/piscine/test$ ./doop
student@ubuntu:~/piscine/test$ ./doop 1 + 1 | cat -e
2$
6 years ago
student@ubuntu:~/piscine/test$ ./doop hello + 1 | cat -e
0$
student@ubuntu:~/piscine/test$ ./doop 1 p 1 | cat -e
0$
student@ubuntu:~/piscine/test$ ./doop 1 / 0 | cat -e
No division by 0$
student@ubuntu:~/piscine/test$ ./doop 1 % 0 | cat -e
No modulo by 0$
6 years ago
```