[Tutor] New 2 Python- Script 'kill' function/Ubuntu File Browser hide hidden files

[Ian Egland]

Thanks, you helped more than you know.

-Ian

On Jan 13, 2008 3:58 PM, bob gailer <bgailer at alum.rpi.edu> wrote:

> Ian Egland wrote:
> > Hello, I am new to Python (and OO programming in general) and I have a
> > script that I made through a tutorial.
> >
> > # -*- coding: utf-8 -*-
> > # Copyright (C) 2007-2008 Ian Egland
> > # From the Non-Programmer's Guide to Python By Josh Cogliati
> > # 5.3 Exercise 1
> > # Modify the password guessing program to keep track of how many times
> > the user has entered the password wrong.
> > # If it is more than 3 times, print "That must have been complicated."
> >
> >
> > tries = 3
> > password = "What is the password?"
> > while password != "thepassword":
> >     print "You have", tries, "remaining."
> >     print "What is the password?"
> >     password = raw_input("> ")
> >     if password == "thepassword":
> >         print "You got the password in only", 3 - tries, "tries!"
> >     else:
> >         tries = tries - 1
> >         if tries == 0:
> >             print "Sorry... but that was wrong. (again) Your not as
> > smart as I thought..."
> >         else:
> >             print "I am sorry, that was incorrect. Please try again."
> >             quit
> >
> > Now I cant see anything wrong with it... except that I don't think
> > that quit is the right function as when I run it this happens.
> quit is a function. The line above is a reference to the function rather
> than a call to the function. To call a function you must always add ()
> e.g. quit().
>
> Your goal here is to break out of the while loop. You can accomplish
> that with the break statement in place of the quit function call.
>
> I'd code this differently, to take advantage of the for loop and to
> reduce redundant code. I also corrected spelling, introduced a
> "constant" and enhanced things so try is singular or plural as needed.
>
> MAXTRY = 3
> for tries in range(MAXTRY, 0, -1):
>    if tries == 1:
>        print "You have 1 try remaining."
>    else:
>        print "You have", tries, "tries remaining."
>    print "What is the password?"
>    password = raw_input("> ")
>    if password == "thepassword":
>        attempts = MAXTRY - tries + 1
>        if attempts == 1:
>            print "You got the password in only 1 try!"
>        else:
>            print "You got the password in only", attempts, "tries!"
>        break
>    elif tries > 1:
>        print "I am sorry, that was incorrect. Please try again."
>    else:
>        print "Sorry... but that was wrong. (again) You're not as smart
> as I thought..."
>
> That is more than you requested, and I hope it all helps your learning.
>
> [snip]
>



-- 
-Ian
My Website: http://www.64digits.net/
My Signature Page: http://www.64digits.net/signature/
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