Thank you all for answers. Again. 2011/2/28 Alan Gauld <alan.ga...@btinternet.com>
> > "Christopher Brookes" <chris.klai...@gmail.com> wrote > > > I don't understand >> >> @classmethod >> def DisplayAll(cls, herosAll): >> >> What is cls ? >> > > This is one of the advanced techniques I referred to a few days ago. > > Basically the "best"(?) solution to your problem is to store the list of > characters inside the Character class as what is known as a class variable. > > Then everytime you create a new Character you can add it to the list by > the init method. And when a character is deleted you remove it via the del > method. > > You can then define class methods to read/print the list, find out how many > characters exist etc. > > This is much cleaner than keeping a separate global variable since the code > for managing characters is all in one place with the classs definition. But > it does introduce a bunch of new syntax features which I didn't think you > were ready for yet! :-) > > One thing you will need to be very careful about as you go forward is > namespaces. Remember that everytime you import a module you need to precede > any names in that module with the module name. And names inside a class need > to be preceded by the class name. And names inside objects need to be > preceded by the object (variable) name. > If the class is inside a module you need to use both module and class. Thus > if the Character class is defined inside character.py you would have > something like this in main.py: > > import character > myObj = character.Character(....) > print myObj.display() > print character.Character.displayAll() > > etc. > > You can simplify it by using the "from m import v" style: > > from character import Character > myObj = Character(....) > myObj.display() > Character.displayAll() > > etc. > > HTH, > > -- > Alan Gauld > Author of the Learn to Program web site > http://www.alan-g.me.uk/ > > > > _______________________________________________ > Tutor maillist - Tutor@python.org > To unsubscribe or change subscription options: > http://mail.python.org/mailman/listinfo/tutor > -- Brookes Christopher.
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