save project

diy1.py

+import time
+
+start_time = time.time()
 list1 = []
+print("开始时间为: ", start_time)
 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)
+
+result = end_time -start_time
+print("总共耗时: ", result)
\ No newline at end of file