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378 B
378 B
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$