auto save

diy1.py

+import time
+start_time = time.time()
+print('开始的时间为:',start_time)
+
 list1 = []
 list1 = []
-for a in range(0, 1000):
+for a in range(0, 100):
     for b in range(0, 1000):
     for b in range(0, 1000):
         list1.insert(0, 0)
         list1.insert(0, 0)
+end_start = time.time()
+print('结束时间为:',end_start)
\ No newline at end of file