save project

diy1.py

+import time
+st=time.time()
+print('开始',st)
 list1 = []
 for a in range(0, 1000):
     for b in range(0, 1000):
-        list1.insert(0, 0)
\ No newline at end of file
+        list1.insert(0, 0)
+et=time.time()
+print('结束',et)
+result=et-st
+print('总时',result)
\ No newline at end of file