[Tutor] calculator

[Andrei Kulakov]

On Tue, Aug 28, 2001 at 01:43:36PM -0400, Ignacio Vazquez-Abrams wrote:
> Something else you can do, in conjunction with all the other really good
> suggestions you've received so far, is to code your main menu (and in fact all
> of your menus) similar to this:
> 
> ---
> def circlearea():
>    ...
> 
> def squarearea():
>    ...
> 
> def rectanglearea():
>    ...
> 
> def squareroot():
>    ...
> 
> def addnumbers():
>    ...
> 
> menuoptions={'1':circlearea, '2':squarearea, '3':rectanglearea,
> '4':squareroot, '5':addnumbers}
> 
> while 1:
>   while 1:
>     print "please choose an option"
>     print
>     print "1. circle area"
>     print "2. square area"
>     print "3. rectangle area"
>     print "4. square root"
>     print "5. add numbers"
>     shape = input("> ")
>     if not menuoptions.has_key(shape)
>       print
>       print "whoops thats not good"
>       print
>     else:
>       break
>   menuoptions[choice]()

Is it just me, or are alphanumeric menus much nicer, i.e.:

menu = {
    'c': circlearea,
    'a': squarearea,
    'r': rectanglearea,
    'o': squareroot,
    'a': addnumbers
}

And that letter is colorized in the menu? This is very easy
to do and much friendlier UI - gtk and qt, take a hike ;P.

[snip]

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