auto save

diy1.py

@@ -4,10 +4,9 @@ start_time=time.time()
 print("开始时间：",start_time)
 
 list1 = []
-for a in range(0, 1000):
-    for b in range(0, 1000):
-        list1.insert(0,0)
-        print(list1)
+for a in range(0, 1000000):
+    for b in range(0, 1000000):
+        list1.append(0)
 end_time=time.time()
 print("结束时间：",end_time)