zip() python

zip 就是zip函数接受任意多个（包括0个和1个）序列作为参数，返回一个tuple列表

x = [1, 2, 3]

y = [4, 5, 6]

z = [7, 8, 9]

list(zip(x, y, z))
Out[33]: [(1, 4, 7), (2, 5, 8), (3, 6, 9)]

x = [1, 2, 3]
y = [4, 5, 6, 7]

list(zip(x, y, z))
Out[36]: [(1, 4, 7), (2, 5, 8), (3, 6, 9)]