public/subjects/swapargs

swap-args

Instructions

Write a program that takes two arguments and swaps them.

• If the number of arguments is different from 2, print ('\n').
• The arguments must be separated by a withe space.
• Print ('\n') at the end of the program.

Usage

$ go run . | cat -e
$
$ go run . 1 2 | cat -e
2 1$
$ go run . "World" "Hello" | cat -e
Hello World$