package main import ( "../lib" "./correct" "./student" ) func main() { seps := []string{" ", "-", " ,", "_", "SPC", " . "} args := [][]string{ {"hello", "how", "are", "you", "doing"}, {"fine", "and", "you"}, {"I'm", "O.K."}, } for i := 0; i < 5; i++ { // random position for the slice of arguments posA := lib.RandIntBetween(0, len(args)-1) // random position for the slice of separators posS := lib.RandIntBetween(0, len(seps)-1) lib.Challenge("Join", student.Join, correct.Join, args[posA], seps[posS]) } }