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):
         list1.insert(0, 0)
+end_time=time.time()
+print("结束时间",end_time)
+qwe=end_time - start_time
+print("计算时间",qwe)
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