[Tutor] Reading a Text File with tkFileDialog, askopenfilename+enumerate

[bob gailer]

Lie Ryan wrote:
> On Sun, 2009-02-15 at 21:29 +0100, tutor-request at python.org wrote:
>
>   
>> Do you know about sequence unpacking? In an assignment statement, when
>> the right side is a sequence, the left side can be a list of variables
>> of the same length as the sequence. Then each sequence element is
>> assigned to one variable. For example
>>     
>
> <nitpick>
> The left side can only be a tuple of "names". The tuple unpacking is a
> little bit of violation of python's object model, since while python's
> tuple usually contain objects, in tuple unpacking the tuple contains a
> list of names to be assigned.
> </nitpick>
>   
It's time to take a look at the Language Reference.
6.3 Assignment statements.
assignment_stmt ::= (target_list "=")+ expression_list
a target list is not a tuple, even though it can look like one.
So I don't see it as any violation.



-- 
Bob Gailer
Chapel Hill NC
919-636-4239