Sequence Operations on Lists >>> x = [1, "Spam", 4, "U"] >>> len(x) 4 >>> x[3] 'U' >>> x[1:3] ['Spam', 4] >>> x + x [1, 'Spam', 4, 'U', 1, 'Spam', 4, 'U'] >>> x * 2 [1, 'Spam', 4, 'U', 1, 'Spam', 4, 'U'] >>> for i in x: print i, 1 Spam 4 U