Intermediate Python user needed help

[Mark Lawrence]

On 05/08/2012 22:32, Roy Smith wrote:
> In article <mailman.2972.1344200565.4697.python-list at python.org>,
>   Tim Chase <python.list at 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.