auto save

diy1.py

+import time
+
 list1 = []
+start_time=time.time()
+print("开始时间",start_time)
+
+
+
 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.time()  
+print("结束时间",end_time)
+result=end_time-start_time
+print("总计时间",result)