save project

diy1.py

+import time
+
+start = time.time()
+print('开始的时间是',start)
 list1 = []
 for a in range(0, 1000):
     for b in range(0, 1000):
-        list1.insert(0, 0)
\ No newline at end of file
+        list1.insert(0, 0)  
+end = time.time()
+print('结束的时间是',end)
+
+result = end - start
+print("总用时",result)
\ No newline at end of file