save project

diy1.py

+import time
+start=time.time()
+print('开始的时间为',start)
 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(-1, 0)
\ No newline at end of file
+end=time.time()
+print('结束的时间为',end)
+result=end-start
+print('用时',result)
\ No newline at end of file