save project

diy1.py

+import time
+
+start_time=time.time()#开始时间
+print("开始时间为：",start_time)
+
 list1 = []
 for a in range(0, 1000):
     for b in range(0, 1000):
         list1.insert(0, 0)
+end_time=time.time()
+print("结束时间为",end_time)#结束时间
+
+result=end_time-start_time
+print("总共耗时，",result)
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