## displayfirstparam

### Instructions

Write a program that displays its first argument, if there is one.

### Usage

```console
student@ubuntu:~/displayfirstparam/test$ go build
student@ubuntu:~/displayfirstparam/test$ ./test hello there
hello
student@ubuntu:~/displayfirstparam/test$ ./test "hello there" how are you
hello there
student@ubuntu:~/displayfirstparam/test$ ./test
student@ubuntu:~/displayfirstparam/test$
```