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

[Alexander Belopolsky]

On Mon, Aug 11, 2014 at 12:21 PM, Stephen Hansen <me+python at ixokai.io>
wrote:

> Don't name variables 'x' and 'y'. If it were as simple as "x.split(sep)"
> or "x.split('\t')" then I bet almost no one will need to consult the
> documentation to know which is which


Sure, but on the same token if someone writes sep.split(x), how likely will
this error be caught on a quick review?  This is not theoretical.  I've
seen people make this mistake and asking for help in debugging rather
non-obvious behaviors.
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