我用a1，a2，a3 三个列表，然后用for循环对这3个列表的元素进行排列组合A=a1+a2+a3，这样就可以得到9个不同的字符串，然后我用send()发送这个A，
大体代码如下：
a1 = ["aaaaa", "bbbbb","ccccc"]
a2 = ["aaaaa", "bbbbb","ccccc"]
a3 = ["aaaaa", "bbbbb","ccccc"]
    for i in a1:
            for j in a2:
                 for k in a3:
                      A = a1 + a2 + a3
                      send(A)

结果执行时报错：TypeError: send() argument 1 must be string or read-only
buffer, not list

说类型不对，这个参数不能是list。 : (

请教大家，怎么办？

A = "".join(a1 + a2 + a3)



. newbie wrote:

>ÎÒÓÃa1£¬a2£¬a3 Èý¸öÁÐ±í£¬È»ºóÓÃforÑ­»·¶ÔÕâ3¸öÁбíµÄÔªËؽøÐÐÅÅÁÐ×éºÏA=a1+a2+a3£¬ÕâÑù¾Í¿ÉÒԵõ½9¸ö²»Í¬µÄ×Ö·û´®£¬È»ºóÎÒÓÃsend()·¢ËÍÕâ¸öA£¬
>´óÌå´úÂëÈçÏ£º
>a1 = ["aaaaa", "bbbbb","ccccc"]
>a2 = ["aaaaa", "bbbbb","ccccc"]
>a3 = ["aaaaa", "bbbbb","ccccc"]
>    for i in a1:
>            for j in a2:
>                 for k in a3:
>                      A = a1 + a2 + a3
>                      send(A)
>
>½á¹ûÖ´ÐÐʱ±¨´í£ºTypeError: send() argument 1 must be string or read-only
>buffer, not list
>
>˵ÀàÐͲ»¶Ô£¬Õâ¸ö²ÎÊý²»ÄÜÊÇlist¡£ : (
>
>Çë½Ì´ó¼Ò£¬Ôõô°ì£¿
>  
>
>------------------------------------------------------------------------
>
>_______________________________________________
>python-chinese list
>python-chinese at lists.python.cn
>http://python.cn/mailman/listinfo/python-chinese
>  
>
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On 5/1/05, . newbie <learnpython at gmail.com> wrote:
> 
> 我用a1，a2，a3 
> 三个列表，然后用for循环对这3个列表的元素进行排列组合A=a1+a2+a3，这样就可以得到9个不同的字符串，然后我用send()发送这个A，
> 大体代码如下：
> a1 = ["aaaaa", "bbbbb","ccccc"]
> a2 = ["aaaaa", "bbbbb","ccccc"]
> a3 = ["aaaaa", "bbbbb","ccccc"]
> for i in a1:
> for j in a2:
> for k in a3:
> A = a1 + a2 + a3


把这句改成：A = i + j + k

send(A)
> 
> 结果执行时报错：TypeError: send() argument 1 must be string or read-only
> buffer, not list
> 
> 说类型不对，这个参数不能是list。 : (
> 
> 请教大家，怎么办？
> 
> _______________________________________________
> python-chinese list
> python-chinese at lists.python.cn
> http://python.cn/mailman/listinfo/python-chinese
> 
> 
> 


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