save project

diy1.py

-list1 = []
+import time
+
+time_1 = time.time()
+print('开始的时间为：',time_1)
+list_1 = []
 for a in range(0, 1000):
     for b in range(0, 1000):
-        list1.insert(0, 0)
\ No newline at end of file
+        list_1.insert(0, 0)
+time_2 = time.time()
+print('结束的时间为：',time_2)
+time_3 = time_2 - time_1
+print('最终用时:',time_3)
\ No newline at end of file