[Tutor] Question about list

[Hoffmann]

--- Matthew White <mwhite3 at ttsd.k12.or.us> wrote:

> Hi Hoffman,
> 
> It is often useful to use the "for" construct to
> process items in a list.
> e.g.:
> 
> >>> list1 =  [ 'spam!', 2, ['Ted', 'Rock']]
> >>> for item in list:
> ...    print item
> spam!
> 2
> ['Ted', 'Rock']
> 
> If you pass a list to the len() function, it will
> return the number of
> elenents in the list. e.g.:
> 
> >>> x = ['a', 'b', 'c']
> >>> len(x)
> 3
> 
> Now if you pass len() a string it will return the
> length of a string:
> >>> y = 'hello'
> >>> len(y)
> 5
> 
> Given your list below, len() will return what you're
> looking for when it
> encounters the third element of the list, but won't
> for the first and
> second elements.  One way to solve this problem is
> to use the type()
> function to figure out if your item is a string or
> list and use len()
> as appropriate.  I hope this provides enough of a
> hint.
> 
> -mtw
> 
> 
> On Mon, Apr 10, 2006 at 03:29:23PM -0700, Hoffmann
> (oasf2004 at yahoo.com) wrote:
> > Hello,
> > 
> > I have a list: list1 =  [ 'spam!', 2, ['Ted',
> 'Rock']
> > ]
> > and I wrote the script below:
> > 
> > i = 0
> > while i < len(list1):
> >     print list1[i]
> >     i += 1
> > 
> > Ok. This script will generate as the output each
> > element of the original list, one per line:
> > 
> > spam!
> > 2
> > ['Ted', 'Rock']
> > 
> > I also would like to print the length of each
> element
> > of that list:
> > 
> > spam! = 1 element
> > 2 = 1 element
> > ['Ted', 'Rock'] = 2 elements
> > 
> > Could anyone, please, give me some hints?
> > Thanks,
> > Hoffmann
> >     
> > 
> > __________________________________________________
> > Do You Yahoo!?
> > Tired of spam?  Yahoo! Mail has the best spam
> protection around 
> > http://mail.yahoo.com 
> > _______________________________________________
> > Tutor maillist  -  Tutor at python.org
> > http://mail.python.org/mailman/listinfo/tutor
> 
> -- 
> Matthew White - District Systems Administrator
> Tigard/Tualatin School District
> 503.431.4128
> 
> "The greatest thing in this world is not so much
> where we are, but in
> what direction we are moving."   -Oliver Wendell
> Holmes
> 
> 

Hi Matthew,

Thanks for the nice information!
I am learning a lot with all of the hints you guys are
sending to me.
Hoffmann

__________________________________________________
Do You Yahoo!?
Tired of spam?  Yahoo! Mail has the best spam protection around 
http://mail.yahoo.com