Increment Variable Name

[Grant Edwards]

On 2008-01-23, Diez B. Roggisch <deets at nospam.web.de> wrote:
> David Brochu schrieb:
>> This is probably really trivial but I'm stumped.... :-(
>> 
>> Does anyone know how to increment a variable name?
>> 
>> For example:
>> 
>> I know the length of a list and I want to pass each element of a list to 
>> a unique variable, thus I want to increment variable names. If the list 
>> length = 4, i want to have the following variables: var1, var2, var3, var4.
>> 
>
> Use a dictionary
>
> value_dict = {}
>
> for i, value in values:
>     value_dict["var%i" % i] = value

That assumes that the OPs "list" is actually a list of tumples:

  [(1,firstvalue),(2,secondvalue), (3, thirdvalue), ...]

I'd adjust my thinking (regarding 0/1 based counting) and just
use a list or a tuple:

 var = list(values)
or
 var = tuple(values)

In either case, you now have
 
 var[0], var[1], var[2], var[3], ...


 
If you insist on numbers starting at 1, then a dict would work:

 var = {}
 for i,value in itertools.enumerate(itertools.count(1), values):
    var[i] = value

now you have

  var[1], var[2], var[3], var[4], ...
 


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