import readline fn between(a int, b int) { mut result := []int{} for i := a; i <= b; i++ { result << i } println(result) } fn main() { mut r := readline.Readline{} answer := r.read_line('What is the starting number: ')! answer2 := r.read_line('What is the ending number: ')! a := answer.int() b := answer2.int() between(a, b) }