第1个回答 2017-07-24
(1, 1, 1)(1, 1, 2)(1, 1, 3)(1, 2, 1)(1, 2, 2)(1, 2, 3)(1, 3, 1)(1, 3, 2)(1, 3, 3)(2, 1, 1)(2, 1, 2)(2, 1, 3)(2, 2, 1)(2, 2, 2)(2, 2, 3)(2, 3, 1)(2, 3, 2)(2, 3, 3)(3, 1, 1)(3, 1, 2)(3, 1, 3)(3, 2, 1)(3, 2, 2)(3, 2, 3)(3, 3, 1)(3, 3, 2)(3, 3, 3)至于''.join(x),举个例子:>>> x=('1', '1', '1')>>> print ''.join(x)得到答案为:111