save project

diy1.py

 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)
+import time
+start_time = time.time()
+print("开始时间为：",start_time)
+for a in range(0,10):
+    for b in range(0,100):
+        list1.insert(0,0)
+end_start = time.time()
+print("结束时间为：",end_start)
+sj =  end_start-start_time
+print("把0拆入列表所用时间为",sj)
+
+