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

[Alexander Belopolsky]

On Mon, Aug 11, 2014 at 12:37 PM, Stephen Hansen <me+python at ixokai.io>
wrote:

> Then we'll have two obvious solutions since "".join() and the huge body of
> code using it won't go away.


''.join() is not an obvious solution to concatenation.  It is a fringe case
of a solution to a completely different problem - building a delimited
string.  Buy the same token, we have "two obvious solutions" to negation:
-x and 0-x.
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