בתאריך יום רביעי, 19 בספטמבר 2012 11:50:56 UTC+3, מאת Dan Katorza:
> בתאריך יום רביעי, 19 בספטמבר 2012 11:14:29 UTC+3, מאת Chris Angelico:
>
> > On Wed, Sep 19, 2012 at 5:41 PM, Dan Katorza <dkato...@gmail.com> wrote:
>
> >
>
> > >
>
> >
>
> > > Hello again,
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> >
>
> > > I have another question and i hope you will understand me..
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> >
>
> > > Is there any option where you can set the program to go back to lets say
> > > the top of the code?
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> >
>
> > > I mean if the program finished the operation and i want to stay in the
> > > program and go back ro the start.
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> >
>
> > > after any operation i want the option to do it again , go back to the
> > > main menu or full exit from the program, and i want it every time.
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> >
>
> > >
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> >
>
> > > i hope i'm clear :)
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> >
>
> >
>
> >
>
> > Yep! Look up the docs and tutorial on "control flow" and "looping
>
> >
>
> > constructs". Sounds like what you want here is a 'while' loop.
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> >
>
> >
>
> >
>
> > ChrisA
>
>
>
> Hi Chris,
>
> this is my code:
>
>
>
> #!/usr/bin/env python
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> #Get the IP Address
>
>
>
> import sys, socket
>
>
>
> print ("\n\n#########################################################")
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> print ("# Get IP from Host v 1.0 #")
>
> print ("#########################################################")
>
> print ("# Choose from the options below #")
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> print ("# 1- url , 2-File(Text file only.txt) #")
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> print ("#########################################################\n")
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>
>
> mchoice = int(raw_input("Please enter your choice> "))
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> while mchoice !=1 and mchoice !=2:
>
> print("{0} is not a menu option.".format(mchoice))
>
> mchoice = int(raw_input("Please try again> "))
>
>
>
>
>
> if mchoice == 2:
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> filename = raw_input("Hello, please enter file name here> ")
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> if filename.endswith(".txt"):
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>
>
> try:
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> infile = open(filename)
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> except EnvironmentError as e:
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> print(e)
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> sys.exit(1)
>
>
>
> print("\nFile {0} exists!".format(filename))
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> print("\nGetting IP addresses for hosts")
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> print("\n")
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> else:
>
> print("{0} is not a Text file.".format(filename))
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> sys.exit(1)
>
> for line in infile:
>
> hostname = line.strip()
>
> try:
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> ip_address = socket.gethostbyname(hostname)
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> except EnvironmentError as e:
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> print("Couldn't find IP address for {0}: {1}".format(hostname, e))
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> continue
>
> print("IP address for {0} is {1}.".format(hostname, ip_address))
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> else:
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> print ("\nFinished the operation")
>
>
>
> if mchoice == 1:
>
> murl = raw_input("Enter URL here> ")
>
> try:
>
> print("Checking URL...")
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> ip_address = socket.gethostbyname(murl)
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> except EnvironmentError as d:
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> print(d)
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> sys.exit(1)
>
> print("Valid URL")
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> print("\nIP address for {0} is {1}.".format(murl, ip_address))
>
> print ("\nFinished the operation")
>
> =====================================================================
>
>
>
> now where it says Finsihed the operation i want it to show (another search
> /main menu/exit program)
>
>
>
> i know about the while loop , but forgive me i just don't have a clue how to
> use it for this situation.
>
>
>
> i don't want you to give me the code:) just the idea.
>
> i did read the section about the while loop but still i do not know how to
> use it in this situation.
>
> thanks.
o.k a giant while loop :)
thanks.
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