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## lastword
### Instructions
5 years ago
Write a program that takes a `string` and displays its last word, followed by a newline (`'\n'`).
- A word is a section of `string` delimited by spaces or by the start/end of the `string`.
- The output will be followed by a newline (`'\n'`).
- If the number of parameters is different from 1, or if there are no word, the program displays a newline (`'\n'`).
### Usage
```console
student@ubuntu:~/[[ROOT]]/lastword$ go build
student@ubuntu:~/[[ROOT]]/lastword$ ./lastword "FOR PONY" | cat -e
PONY$
student@ubuntu:~/[[ROOT]]/lastword$ ./lastword "this ... is sparta, then again, maybe not" | cat -e
not$
student@ubuntu:~/[[ROOT]]/lastword$ ./lastword " " | cat -e
$
student@ubuntu:~/[[ROOT]]/lastword$ ./lastword "a" "b" | cat -e
$
student@ubuntu:~/[[ROOT]]/lastword$ ./lastword " lorem,ipsum " | cat -e
lorem,ipsum$
student@ubuntu:~/[[ROOT]]/lastword$
```