auto save

diy1.py

+import time
+
+kaishi = time.time()
+print(kaishi)
+
 list1 = []
 for a in range(0, 1000):
     for b in range(0, 1000):
-        list1.insert(0, 0)
\ No newline at end of file
+        list1.insert(-1, 0)
+
+jieshu = time.time()
+print(jieshu)
+
+yongshi = jieshu - kaishi
+print("用时"+str(yongshi)+"秒")
\ No newline at end of file