auto save

diy1.py

-list1 = []
-for a in range(0, 1000):
-    for b in range(0, 1000):
-        list1.insert(0, 0)
+import time as a
+
+start_time = time.time()
+print("开始时间为：",start_time)
\ No newline at end of file
+for i in range(0,1001):
+    
\ No newline at end of file