save project

diy1.py

@@ -6,7 +6,7 @@ print("开始: ",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("结束: ",end_time)