python前缀筛选二维数组

  

   

    

     

    
    

     

      data=['1_aa',"2_bbb","1_xxx"]
     
    
   

    

     

    
    

     
 
     
    
   

    

     

    
    

     

      prexs=["1_",'2_','3_']
     
    
   

    

     

    
    

     
 
     
    
   

    

     

    
    

     

      data2=[[] for _ in range(len(prexs))]
     
    
   

    

     

    
    

     
 
     
    
   

    

     

    
    

     

      for aaa in data:
     
    
   

    

     

    
    

     
 
     
    
   

    

     

    
    

     
    for index, prex in enumerate(prexs):
     
    
   

    

     

    
    

     
        if aaa.startswith(prex):
     
    
   

    

     

    
    

     

                  data2[index].append(aaa)
     
    
   

    

     

    
    

     
 
     
    
   

    

     

    
    

     

      for data_item in data2:
     
    
   

    

     

    
    

     
    print(len(data_item))
     
    
  
 

文章来源: blog.csdn.net，作者：AI视觉网奇，版权归原作者所有，如需转载，请联系作者。

原文链接：blog.csdn.net/jacke121/article/details/126043137