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To: python-list@python.org
From: Mark Lawrence <breamoreboy@yahoo.co.uk>
Subject: Re: Intermediate Python user needed help
Date: Sun, 05 Aug 2012 23:15:42 +0100
References: <a0e88106-affb-4f7c-8b13-de341ce0f319@googlegroups.com> <506eb405-eb07-4175-9efb-40475cabacf1@googlegroups.com> <mailman.2972.1344200565.4697.python-list@python.org> <roy-3197A9.17322605082012@news.panix.com>
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On 05/08/2012 22:32, Roy Smith wrote:
> In article <mailman.2972.1344200565.4697.python-list@python.org>,
>   Tim Chase <python.list@tim.thechases.com> wrote:
>
>> On 08/05/12 15:52, John Mordecai Dildy wrote:
>>> Current Problem at the moment
>>>
>>> Traceback (most recent call last):
>>>    File "ex26.py", line 66, in <module>
>>>      beans, jars, crates = secret_formula(start-point)
>>> NameError: name 'start' is not defined
>>>
>>> anyone know how to make start defined
>>
>> "start-point" is not a valid identifier as the "-" isn't permitted
>> in a variable name.  This is the case for just about every language
>> out there.  HTML/XML & CSS are the only languages that come to my
>> mind in which the dash is considered a valid part of an identifier.
>>
>> You either mean something like "start_point" (with an underscore
>> instead of a minus), or you're performing a subtraction of "start
>> minus point", in which case you'd have to assign those values before
>> you use them.
>
> Or he meant to pass an optional parameter:
>
>      beans, jars, crates = secret_formula(start=point)
>
> or an element access:
>
>      beans, jars, crates = secret_formula(start.point)
>
> or a bunch of other possibilities.
>

Like it, marks out of 10, 15 :)

-- 
Cheers.

Mark Lawrence.