save project

diy1.py

 list1 = []
 list1 = []
 for a in range(0, 1000):
 for a in range(0, 1000):
     for b in range(0, 1000):
     for b in range(0, 1000):
-        list1.insert(0, 0)
+        list1.insert(0, 0)
\ No newline at end of file
+end_start = time.time()
+print("结束时间为",end_start)
+sj = end_start-start_time
+print('吧0插入列表所用时间为',sj)
\ No newline at end of file