Re: Working with lists within Dictionaries

References	<CAFqGZRHSuNx=A67j-+mT0Ahv0hgzyZPOesozy5A4SJZs-n-f7g@mail.gmail.com>
Date	2013-04-19 00:38 +1000
Subject	Re: Working with lists within Dictionaries
From	Chris Angelico <rosuav@gmail.com>
Newsgroups	comp.lang.python
Message-ID	<mailman.775.1366295908.3114.python-list@python.org> (permalink)

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On Thu, Apr 18, 2013 at 11:58 PM, inshu chauhan <insideshoes@gmail.com> wrote:
> segments.setdefault(reg_num, [])[point] += point

Not sure what your desired structure is. This is seeking to add the
point to something indexed by the point; perhaps you simply want to
append to the list itself?

segments.setdefault(reg_num, []).append(point)

ChrisA

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Re: Working with lists within Dictionaries Chris Angelico <rosuav@gmail.com> - 2013-04-19 00:38 +1000

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