#!/usr/bin/python #coding:utf-8 # 元组 其内容是不可变的 u = 1,2,3; # 定义 print u; print len(u); b = 1, 3, (3, 5); # 可嵌套 print b; # 序列拆封 a = 3; b = 4; a, b = (b,a); print a, b; def triple(x, y, z): return (3 * x, 3 * y, 3 * z); a, b, c = triple(1, 2, 3); print a, b, c; #3, 6, 9 a, b, c = 1, 2, 3; print a, b, c; #1, 2, 3