ok well, I'm testing to see if the CC thing worked.
On 5/29/07, Adam Urbas <[EMAIL PROTECTED]> wrote: > I'll try the CC thing. > > On 5/29/07, Adam Urbas <[EMAIL PROTECTED]> wrote: > > Well, Brian, I am now very sure that we have different versions of > > gmail, because on both the Quick Reply and the full reply screens, > > there are no Reply buttons, or downpointing arrows. > > > > On 5/29/07, Adam Urbas <[EMAIL PROTECTED]> wrote: > > > What is the actual command to exit the program. I tried exit, which > > > turned purple, so I know that does something. > > > > > > On 5/29/07, Adam Urbas <[EMAIL PROTECTED]> wrote: > > > > No I don't think that worked either, because now it has a problem with > > > > print. > > > > > > > > Please help. > > > > > > > > Au > > > > > > > > On 5/29/07, Adam Urbas <[EMAIL PROTECTED]> wrote: > > > > > I'm having trouble with the parentheses after the def thing(). IDLE > > > > > says that there is something wrong with it. If I type something > > > > > between them, it says that there is something wrong with the > quotation > > > > > marks. If I just leave it like (), then it says that something is > > > > > wrong with what is after the parentheses. Unless my code is > supposed > > > > > to go between the parentheses. I'll try that. > > > > > > > > > > On 5/29/07, Adam Urbas <[EMAIL PROTECTED]> wrote: > > > > > > In the def welcome(), what do you put in the parentheses? Another > > > > > > question, what code do you use for ending the program. I want the > > > > > > user to be able to cancel the program from the main menu, where it > > > > > > asks you to choose circle, square, etc. Or even perhaps allow the > > > > > > user to go back to a previous menu, well I suppose that would be > the > > > > > > def thing() code. But what if they were at the part where the > > program > > > > > > was asking them to input the radius, how would I give them the > > option > > > > > > of returning to the list of given measurements of a circle? > > > > > > > > > > > > On 5/29/07, Brian van den Broek <[EMAIL PROTECTED]> wrote: > > > > > > > adam urbas said unto the world upon 05/29/2007 12:39 PM: > > > > > > > > The scary part is, I think I understand this. I copied your > > last > > > > > > > > example and put it in IDLE and it doesn't like you code. > Never > > > > > > > > mind. I figured it out. So that is so it will notify you if > > your > > > > > > > > choice is invalid. Nice lil tidbit of information there. > I'll > > be > > > > > > > > sure to use this. Oh and while your here, I'd like to ask > about > > > > > > > > loops I guess they are. I want to have the program go back to > > the > > > > > > > > part where it asks for the user to select an option after it > has > > > > > > > > run one of its if statements.Like, when the user tells it, > > > > > > > > "circle," then "radius," then enters the radius: here I would > > like > > > > > > > > the program to go back and ask the user if they want to do > > > anything > > > > > > > > else, like find the area of a square, instead of the circle. > > > Would > > > > > > > > I have to tell python to print all those selections again, or > > > would > > > > > > > > there be a way to just return to the beginning?Thanks,Au> > Date: > > > > > > > > > > > > > > > > > > > > > Hi Adam, > > > > > > > > > > > > > > Again, I cut the mess, but I expect that if you use the gmail > > > account > > > > > > > you just posted about here on in, that will be the end of it. > > > > > > > > > > > > > > I'm glad that you are starting to have the warm glow of > > > understanding > > > > > :-) > > > > > > > > > > > > > > What you are asking about here is one reason why functions are > so > > > > > > > useful. They allow you (more or less) to give a name to a chunk > of > > > > > > > code, and then you can rerun that chunk at will by invoking the > > > name. > > > > > > > > > > > > > > Given the problem you want to solve, I'd structure my code > > something > > > > > > > like the following. Most of the details need to be filled in, > but > > > this > > > > > > > is the skeletal structure. > > > > > > > > > > > > > > > > > > > > > def welcome_message(): > > > > > > > # Some actions to invoke when the user starts the program > > > > > > > print "Welcome to this program." > > > > > > > > > > > > > > def display_menu(): > > > > > > > # Insert code for showing the user the menu of options > > > > > > > pass > > > > > > > > > > > > > > def circle_area(): > > > > > > > # insert code here to ask user for the radius, compute the > > > area, > > > > > > > # and display the result. You might well want to divide > that > > up > > > > > > > # into other functions that this one calls. > > > > > > > pass > > > > > > > > > > > > > > def square_area(): > > > > > > > # Likewise > > > > > > > pass > > > > > > > > > > > > > > # And so on, for each shape that you wish to handle > > > > > > > > > > > > > > def exit_message(): > > > > > > > # Some actions to invoke when the user chooses to terminate > > > > > > > # the program. > > > > > > > print "Thank you for using this program. Goodbye." > > > > > > > > > > > > > > def prompt_user(): > > > > > > > # Here is where the sort of code I showed you before would > > go. > > > > > > > # I'd include an option, say 0, for exiting, which, when > the > > > > > > > # user picks it, you call exit_message() > > > > > > > > > > > > > > while True: > > > > > > > try: > > > > > > > choice = int(raw_input("Please make your choice ")) > > > > > > > if choice < 0 or choice > 2: # Adjust to suit > options > > > > > > > raise ValueError > > > > > > > break > > > > > > > except ValueError: > > > > > > > print "Please make a choice from the options > > offered." > > > > > > > > > > > > > > # sends the choice back to the code that called prompt_user > > > > > > > # We won't get here until a good choice has been made > > > > > > > return choice > > > > > > > > > > > > > > def main(): > > > > > > > # The main function driving your program. It might look > > > > > > > # something like this: > > > > > > > welcome_message() > > > > > > > > > > > > > > while True: # This will loop forever until you break out > > > > > > > display_menu() > > > > > > > choice = prompt_user() > > > > > > > > > > > > > > if choice == 0: > > > > > > > exit_message() > > > > > > > break # Terminate the while loop > > > > > > > elif choice == 1: # Assuming 1 was the option for > circle > > > > > > > circle_area() > > > > > > > elif choice == 2: > > > > > > > square_area() > > > > > > > # And so on > > > > > > > > > > > > > > print "Please make another choice:" # Go back to top > of > > > > loop > > > > > > > > > > > > > > > > > > > > > if __name__ == '__main__': > > > > > > > # This will run if you run the script, but not if you > import > > > it. > > > > > > > main() > > > > > > > > > > > > > > > > > > > > > This has not been tested (it is only an outline) but it does > pass > > > the > > > > > > > only so reliable eyeball check :-) > > > > > > > > > > > > > > I'd suggest you try filling this sketch out to be useful, and > post > > > if > > > > > > > you run into troubles. > > > > > > > > > > > > > > Best, > > > > > > > > > > > > > > Brian vdB > > > > > > > > > > > > > > > > > > > > > > > > > > > > _______________________________________________ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor