Some Minor questions on Class and Functions

[joy99]

On Mar 20, 9:39 am, Steven D'Aprano <steve
+comp.lang.pyt... at pearwood.info> wrote:
> On Sat, 19 Mar 2011 16:57:58 -0700, joy99 wrote:
> > Dear Group,
>
> > I am trying to pose two small questions.
>
> > 1) I am using Python 2.6.5 (r265:79096, Mar 19 2010, 21:48:26) [MSC v.
> > 1500 32 bit (Intel)] on win32 Type "copyright", "credits" or "license()"
> > for more information, on WINXP SP2.
>
> > As I am writing a code for class like the following: IDLE 2.6.5
> >>>> class Message:
> >    def __init__(self,str1):
> >            self.text="MY NAME"
> >    def printmessage(self):
> >            print self.text
>
> > It works fine as can be seen in the result:
> >>>> x1=Message(1)
> >>>> x1.printmessage()
> > MY NAME
>
> > Now if I open a new window and write the same code value in printmessage
> > is giving arbitrary or no values.
>
> The description of your problem does not make sense to me. Can you show
> an example?
>
> > 2) Suppose I have a code:
>
> >>>> def hello():
> >    print "HELLO SIR"
>
> > Can I write another function where I can call the value of this function
> > or manipulate it?
>
> No. The string "HELLO SIR" is a local variable to the hello() function.
> You cannot modify it from outside that function. Since your hello()
> function prints the result, instead of returning it, another function
> cannot capture it either.
>
> Perhaps what you want is something like this:
>
> def hello(message="HELLO SIR"):
>     return message
>
> Now you can call the function, and print the result:
>
> print hello()
>
> If you want to capture the return value, you can:
>
> result = hello()
> print result.lower()
>
> If you want to change the message used, you can pass it to the function
> as an argument:
>
> hello("Greetings and salutations!")
>
> Hope this helps,
>
> --
> Steven

Thanks Steven and Benjamin for your kind time to answer my question. I
am sending the code soon, actual code is pretty long that has so many
variables, it may well take your long time to evaluate, so I am making
a sizable prototype and trying to send it to you.
Best Regards,
Subhabrata.