save project

diy1.py

+import time
+start_time=time.time()
+
 list1 = []
 list1 = []
-for a in range(0, 10):
-    for b in range(0, 10):
+print('开始时间为：',start_time)
+for a in range(0, 1000):
+    for b in range(0, 1000):
         list1.insert(a, b)
         list1.insert(a, b)
-        print(list1)
+end_time=time.time()
\ No newline at end of file
+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