[Python-ideas] Add list.join() please

MRAB python at mrabarnett.plus.com
Tue Jan 29 19:14:51 EST 2019

On 2019-01-29 23:38, Greg Ewing wrote:
> Brendan Barnwell wrote:
>>     Personally what I find is perverse is that .join is a method of 
>> strings but does NOT call str() on the items to be joined.
> Neither do most other string methods:
>   >>> s = "hovercraft"
>   >>> s.count(42)
> Traceback (most recent call last):
>     File "<stdin>", line 1, in <module>
> TypeError: Can't convert 'int' object to str implicitly
> Why should join() be any different?
And what if you don't want str, but instead repr, or ascii?

(An optional stringifying function, maybe? :-))

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