[Tutor] Dynamic naming of lists

[Ian D]

Ok Thanks a lot. And sadly not a typo, my bad logic overwriting values!

----------------------------------------
> To: tutor at python.org
> From: __peter__ at web.de
> Date: Tue, 31 Mar 2015 17:50:01 +0200
> Subject: Re: [Tutor] Dynamic naming of lists
>
> Ian D wrote:
>
>> Thanks I will look into these. The data going in is a list like
>> this:['broadcast', '"d8on"', 'broadcast', '"d11on"']
>>
>> With the output beng something like this.
>>
>> lst_0 = ['broadcast', '"d8on"']
>>
>> lst_0 = ['broadcast', '"d11on"']
>
> Is that a typo, did you mean
>
> lst_1 = ['broadcast', '"d11on"']
>
> ? If so us a list. Complete example:
>
>>>> flat_pairs = ['broadcast', '"d8on"', 'broadcast', '"d11on"']
>>>> it = iter(flat_pairs)
>>>> pairs = list(zip(it, it))
>>>> pairs
> [('broadcast', '"d8on"'), ('broadcast', '"d11on"')]
>
> You can then access individual pairs by providing an index into the pairs
> list:
>
>>>> pairs[0]
> ('broadcast', '"d8on"')
>>>> pairs[1]
> ('broadcast', '"d11on"')
>
>> I have managed to use a dictionary as advised in a post on StackOverflow;
>> not quite completed it as I am overwriting my lists each time. From your
>> experience is it better to pursue the dictionary route or the zip tuple
>> option. I am in python2.7
>
> A dictionary is typically used when the keys are not as regular as a
> sequence of integers, e. g. to map a user name to an email address or a word
> to a list of the positions where it occurs in a text.
>
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