引用测试

zhanghe06 · zhanghe06 · commit 30fb2cb5189c · 2017-07-20T16:31:29.000+08:00
diff --git a/test/test_quote.py b/test/test_quote.py
@@ -0,0 +1,57 @@
+#!/usr/bin/env python
+# encoding: utf-8
+
+"""
+@author: zhanghe
+@software: PyCharm
+@file: test_quote.py
+@time: 2017/7/25 下午4:28
+"""
+
+
+def f(x, l=[]):
+    """
+    引用测试
+    :param x:
+    :param l:
+    :return:
+    """
+    print l
+    for i in range(x):
+        l.append(i*i)
+    print l
+
+f(2)
+f(3, [3, 2, 1])
+f(3)
+
+
+def detail():
+    """
+    详细过程
+    :return:
+    """
+    l_mem = []
+
+    l = l_mem           # the first call
+    for i in range(2):
+        l.append(i*i)
+
+    print l             # [0, 1]
+
+    l = [3, 2, 1]       # the second call
+    for i in range(3):
+        l.append(i*i)
+
+    print l             # [3, 2, 1, 0, 1, 4]
+
+    l = l_mem           # the third call
+    for i in range(3):
+        l.append(i*i)
+
+    print l             # [0, 1, 0, 1, 4]
+
+
+if __name__ == '__main__':
+    # detail()
+    pass
