[Python-ideas] The non-obvious nature of str.join (was Re: sum(...) limitation)

[Alexander Belopolsky]

On Mon, Aug 11, 2014 at 11:55 AM, Todd <toddrjen at gmail.com> wrote:

> In my experience, it is the asymmetry between x.join(y) and x.split(y)
>> which causes most of the confusion.  In x.join(y), x is the separator and y
>> is the data being joined, but in x.split(y), it is the other way around.
>>
>
> What would be the solution to this?
>

Allow sum(list_of_strings, '') and stop mocking people who prefer it to
''.join(..).  This will not solve all the issues with join/split, but at
least a simple task of concatenating a list of strings will have a more or
less obvious solution.
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