save project

diy1.py

 import time
 import time
 star=time.time()
 star=time.time()
+print('开始时间；',star)
 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.append(0)
 finish=time.time()
 finish=time.time()
+print('结束时间',finish)
 all=finish-star
 all=finish-star
 print('时间：',all)
 print('时间：',all)
\ No newline at end of file