python zip 绑定多个list

>>> a = [1, 2, 3]

>>> b = [1, 2, 3]

>>> zip(a,b)

[(1, 1), (2, 2), (3, 3)]

>>> zip(a,b,a)

[(1, 1, 1), (2, 2, 2), (3, 3, 3)]

>>> zip(a,b,a,b)

[(1, 1, 1, 1), (2, 2, 2, 2), (3, 3, 3, 3)]

>>> zip(a, [1,2])

[(1, 1), (2, 2)]