save project

diy1.py

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