mixup_list = [4.0, [1, 'x'], 'beef', (-1.9+6j)] print 'beef' in mixup_list print 'x' in mixup_list print 'x' in mixup_list[1] num_list = [1,2,3] print -49 in num_list print 34 in num_list print [65535L, 2e+030, (76.45-1.3j)] in num_list