save project

diy1.py

+import time
+x=time.time()
 list1 = []
+print("初始时间是："+str(x))
 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)
+s=time.time()
+a=s-x
+print("用时："+str(a))
+
+       
\ No newline at end of file