auto save

diy1.py

@@ -3,7 +3,7 @@ import time
 s=time.time()
 s=time.time()
 for a in range(0, 1000):
 for a in range(0, 1000):
     for c in range(0, 1000):
     for c in range(0, 1000):
-        list1.insert(0, 0)
+        list1.insert(-1, 0)
 b=time.time()
 b=time.time()
-sb=b-a
+sb=b-s
 print("用时",sb,"秒")
 print("用时",sb,"秒")
\ No newline at end of file