[Tutor] Decoding

[Khamid Nurdiev]

Thanks, it really works.


On 8/13/07, bhaaluu <bhaaluu at gmail.com> wrote:
>
> Greetings,
>
> Disclaimer: I'm a Python Noob,
> so use the code snippets
> in this post, at your own risk!
>
> Is this what you're looking for?
>
> def dec(a):
>     import string
>     result=''
>     for x in string.split(a):
>         result=result+chr(eval(x))
>     return result
>
> print dec(raw_input("Enter the message to decode: "))
>
> I took raw_input() out of the dec() function and pass the string to the
> function
> as an argument. Or, to assign it to a variable, then pass it:
>
> a=raw_input("Enter the message to decode: ")
> print dec(a)
>
> Or, if you want to read the code from a file on disk called code.txt
> which has the following code in it:
> 65 66 67 68
>
> fin=open('code.txt','r)
> a = fin.read()
> fin.close()
> print dec(a)
>
> ABCD
> --
> bhaaluu at gmail dot com
>
> On 8/12/07, Khamid Nurdiev <khamid.nurdiev at gmail.com> wrote:
> > Hello All,
> >  I am currently learning python with the book "Python programming: An
> introduction to CS" by John M. Zelle and have come the section where he
> speaks of encoding messages. Currently the basic  snippet looks like this:
> >
> >
> > >
> > > > def dec():
> > > >      import string
> > > >     message=raw_input("Enter the message to decode: ")
> > > >     result=''
> > > >      for x in string.split(message):
> > > >         result=result+chr(eval(x))
> > > >      return result
> > > >
> > > >  print dec()
> > >
> >
> >
> > it works fine as expected but I want to enter the message as a variable
> like:
> > a='12 34 84 39 122'
> > and when the function dec() invoked, i would just enter "a" as an input
> and thus have changed the code a little bit but it is not working.
> >
> >
> > >
> > > >  def dec():
> > > >     import string
> > > >      message=raw_input("Enter the message to decode: ")
> > > >     a=message[1:-1]
> > > >     result=''
> > > >      for x in string.split(a):
> > > >         result=result+chr(eval(x))
> > > >      return result
> > > >
> > > > print dec()
> > > >
> > >
> >
> > Have tried many ways, i don't want to write them all here as they will
> take too much space. None of them work. maybe you guys know some way out? or
> where is it going wrong?
> >
> >  Thanks
> >
> > _______________________________________________
> > Tutor maillist  -  Tutor at python.org
> > http://mail.python.org/mailman/listinfo/tutor
> >
> >
>
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