"has" Operator

[Aahz Maruch]

In article <mailman.994689256.3553.python-list at python.org>,
Skip Montanaro  <skip at pobox.com> wrote:
>
>    Joshua> On the other side of things, it seems this could be introduced
>    Joshua> into the language without making 'has' a keyword--no syntactic
>    Joshua> rules currently use concatenation.
>
>This is a good point.  I sometimes use this sort of construct:
>
>    has = {"foo":1, "bar":1, ...}.has_key
>    ...
>    if has(a):
>        ...

Woah!  That's s[l]ick!
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