save project

diy1.py

@@ -4,7 +4,7 @@ print("start time is",start_time)
 list1 = []
 for a in range(0, 1000):
     for b in range(0, 1000):
-        list1.insert(0, 0)
+        list1.append(0)
 end_time=time.time()
 print("end time is",end_time)
 result=end_time-start_time