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