python中查看程序运行的时间

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本文链接： https://blog.youkuaiyun.com/zhao_crystal/article/details/82946485

   

     

      

     
     

      

       import datetime 
      
     

     

      

     
     

      

       start = datetime.datetime.
       now() 
      
     

     

      

     
     

      

       run_function(): # 
       do something 
      
     

     

      

     
     

      

       end = datetime.datetime.
       now() 
      
     

     

      

     
     

      

       print (
       end-start) 
      
     
   

方法2:

 

   

    

   
   

    

     import 
     time
    
   

   

    

   
   

    

     start = 
     time.
     time()
    
   

   

    

   
   

    

     run_function()
    
   

   

    

   
   

    

     end = 
     time.
     time()
    
   

   

    

   
   

    
 
    
   

   

    

   
   

    

     print str(
     end)
    
   
 

方法3:

 

   

    

   
   

    

     start = time.clock()
    
   

   

    

   
   

    

     run_function()
    
   

   

    

   
   

    

     end = time.clock()
    
   

   

    

   
   

    
 
    
   

   

    

   
   

    

     print 
     str(
     end-
     start)