save project

diy1.py

+import time
+start_time=time.time()
+print("开始时间:",start_time)
+
 list1 = []
 for a in range(0, 1000):
-    for b in range(0, 1000):
+    for b in range(0, 100):
         list1.insert(0, 0)
+
+end_time=time.time()
+print("结束时间:",end_time)
+
+ruselt=end_time-start_time
+print("最终耗时：",ruselt)
\ No newline at end of file