Generate array of all letters and digits

Question

Using ruby, is it possible to make an array of each letter in the alphabet and 0-9 easily?

Answer 1

letters = *('a'..'z')

=> ["a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k", "l", "m", "n", "o", "p", "q", "r", "s", "t", "u", "v", "w", "x", "y", "z"]