save project

diy1.py

+import time
+
+start_time = time.time()
+print("开始:",start_time)
+
 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:",end_time)
+
+print("总时长:",end_time-start_time)