add tuple

iamjoel · iamjoel · commit d2b0242962d9 · 2014-10-08T07:56:59.000+08:00
diff --git a/tuple.py b/tuple.py
@@ -0,0 +1,22 @@
+#!/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;
+
+# 元组的封装的逆操作
+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
