save project

diy1.py

+import time
+s=time.time()
+print("开始时间为",s)
 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)
+end_time=time.time()
+print("结束时间为",end_time)
+e=end_time-s
+print("总时间为",e)