numbersA = [ 4, 8, 15, 16, 23, 48 ]
numbersB = [ 9, 10, 11, 12 ]
numbers = numbersA ++ numbersB

hello = "Hello"
world = "World"
hello_world = hello ++ " " ++ world

steven = [ 'S', 't', 'e', 'v', 'e', 'n' ]
jobs = [ 'J', 'o', 'b', 's' ]
steven_jobs = steven ++ " " ++ jobs

