[Tutor] Tutor Digest, Vol 50, Issue 9

[rui]

Hi Gloom,



You should give a look at the method "split" (of the string objects) and
int.

The first is used do break a string into smaller pieces and the other to
convert a string to an int object, raising an exception when it is not
possible.


On Wed, Apr 9, 2008 at 9:29 AM, Gloom Demon <gloomdemon at gmail.com> wrote:

> Hello :-)
>
> Can someone please explain to me ho can I find out how many elements are
> there in one record of a list?
>
> The problem is as follows:
>
> I have a txt file from which I read data into Python.
>
> The file looks something like this:
>
> 01 bla bla bla 23,15 2345,67
> 02 alb alb 2,4 890,1
> 03 bal bla alb lab 567,12345 87,45
> ....
>
> I need to be able to discriminate the string parts from the numeric ones.
>
> Since the number of words in the file can vary, I have to be able to find out when they are finished
> and when the floats come in
>
> mystring[0]-> always integer
> mystring[1]-> string (word)
> mystring[1-X]-> last string (word)
> mystring[X+1]-> always float
> mystring[X+2]-> always float
>
> it would have been nice if I could find out the total number of the fields
> in one list record so that I could then adress them via a variable.
>
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>
>


-- 
Ruivaldo Neto
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