新增列表解析测试

zhanghe06 · zhanghe06 · commit ba60f7570192 · 2017-07-17T16:27:10.000+08:00
diff --git a/test/test_list_comprehension.py b/test/test_list_comprehension.py
@@ -0,0 +1,43 @@
+#!/usr/bin/env python
+# encoding: utf-8
+
+"""
+@author: zhanghe
+@software: PyCharm
+@file: test_list_comprehension.py
+@time: 2017/7/25 下午5:37
+"""
+
+
+def run():
+    """
+    列表解析
+    {'a': 1, 'c': 3, 'b': 2, 'e': 5, 'd': 4}
+    [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]
+    []
+    [1, 3, 2, 5, 4]  # 字典无序
+    [1, 2, 3, 4, 5]
+    {0: 0, 1: 1, 2: 4, 3: 9, 4: 16, 5: 25, 6: 36, 7: 49, 8: 64, 9: 81}
+    [[0, 0], [1, 1], [2, 4], [3, 9], [4, 16], [5, 25], [6, 36], [7, 49], [8, 64], [9, 81]]
+    :return:
+    """
+    A0 = dict(zip(('a', 'b', 'c', 'd', 'e'), (1, 2, 3, 4, 5)))
+    A1 = range(10)
+    A2 = [i for i in A1 if i in A0]
+    A3 = [A0[s] for s in A0]
+    A4 = [i for i in A1 if i in A3]
+    A5 = {i: i * i for i in A1}
+    A6 = [[i, i * i] for i in A1]
+
+    print A0
+    print A1
+    print A2
+    print A3
+    print A4
+    print A5
+    print A6
+
+
+if __name__ == '__main__':
+    run()
+    pass
