On Thu, 1 Jan 2009 10:58:44 +0000 (GMT) ALAN GAULD <alan.ga...@btinternet.com> wrote:
> Forwarding to the list.... > Please use ReplyAll when responding. > > > > > On Wed, Dec 31, 2008 at 4:10 AM, Alan Gauld <alan.ga...@btinternet.com> wrote: > > "nathan virgil" <sdragon1...@gmail.com> wrote > > > > Each menu is a function that prints out options, saves a raw_input as the > variable choice, and returns choice. In the main menu, each option leads to > a sub-menu. After choice is defined, however, the sub-menu "tags" the value > of choice. > > > Yes that can all work. > > > > Then create a loop of while choice !=q, run current_menu, and include a > bunch of statements along the lines of: > > if choice == <value that leads to first sub-menu>: > current_menu = <function name for first sub-menu> > > > Consider using a dictionary keyed by your combined choice values. > Then the big if/elif chain shrinks to > > returnValue = FuncDict[choice](params) > > The only challenge with this route is making all the functions > take a single input argument. But that argument can be a tuple :-) > > Dictionaries? Tuples? I just figured out functions, so I'm very new. I'm > still working on > understanding lists. I know what I have probably isn't the best solution for > what I'm trying to > do, but I'm trying to work with the little that I know. > > > > > This seems like it would work, but for some reason, every time I run the > code, it freezes after I give input from the main menu. Can anybody help? I > can show my source code, but indentation doesn't seem to copy/paste very > well, so it may be a bit hard to read... > > > Try putting it on the pastebin web site and sending us the URL. > That gives us colour coding of syntax too which helps read it! > > > http://pastebin.com/m252eea7a Below a copy of the menu control loop of your code, with some corrections. denis #In development choice = "start" # rather use None or "" as not-yet-setvalue current_menu = main_menu() # current_menu = main_menu : see below while choice != "q": current_menu # current_menu() : it's a call #Main Menu results if choice == "1": current_menu = temp_conv_menu()# idem: rather no '()' for consistency elif choice == "2": current_menu = area_menu() elif choice == "3": current_menu = perim_menu() ### inside sub-menus, you simply forget to process "back to main menu" choices ### in all active branches below, you also forget to go back up a menu level ### after execution of the terminal choice ## so that, once reached, the user is stick in a terminal branch elif choice == "t1": temp = input("Celsius temperature: ") print "Fahrenheit:", celsius_to_fahrenheit(temp) * current_menu = temp_conv_menu / main_menu * [possibly with "x = raw_input("ok?")" before] elif choice == "t2": temp = input("Fahrenheit temperature: ") print "Celsius:", fahrenheit_to_celsius(temp) * elif "t3": * current_menu = main_menu elif choice =="a1": s = input("Width:") print "Square area:", area_s(s) elif choice =="a2": w = input("Width:") h = input("Height:") print "Rectangle area:", area_r(w, h) elif choice =="a3": none elif choice =="a4": r=input("Radius of circle: ") print "Circle area:", area_c(r) In the sub-menus, I would also give a distinctive key for "back to main menu" (eg 'b' or 'm') rather than a number. [all comments / changes / additions untested] ------ la vida e estranya _______________________________________________ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
