help needed with dictionary

lee san82moon at gmail.com
Fri Aug 29 06:52:42 EDT 2008


hi,
thank you, ur code was helpful....   :)




On Aug 29, 2:18 pm, Bruno Desthuilliers <bruno.
42.desthuilli... at websiteburo.invalid> wrote:
> lee a écrit :
>
>
>
> >   hi all,
> > i am a newbie in python.  i was trying to work with dictionaries.  i
> > wanted to input values  through command line and store the values in a
> > dictionary. i mean for the same key , multiple values. can any1
> > suggest me how can i do it.....thank you....
>
> > i tried this, but the old value is replaced by new one, but i want to
> > store al values entered by user.
> > kev = {}
> > if kev.has_key('Name'):
> >    kev['Name'].append(person_name)
> >    print 'name is ', kev['Name']
> > else:
> >    kev['Name'] = [person_name]
> > print "kevin's name is %s" % kev['Name']
>
> Please post the minimal *running* code exhibiting your problem. The
> above snippet raises a NameError about person_name on line 3.
>
> Anyway, looking at my crystal ball, I'd say that you're (re)binding the
> variable 'kev' to a new empty dict each time.
>
> Here's a working snippet:
>
> import sys
>
> kev = {}
> try:
>      while True:
>          answer = raw_input("type a name :")
>          answer = answer.strip()
>          if answer:
>              try:
>                  kev['name'].append(answer)
>              except KeyError:
>                  kev['name'] = [answer]
>              print "name is now : %s" % " ".join(kev['name'])
>          print ""
>
> except KeyboardInterrupt:
>      sys.exit("bye")




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