I am sorta starting to get it. So you could use __init__ to ask for a file name to see if there is one in a folder or not if there is then open that file and conitue where that file left off. If its not there create a new file with that name, then start the program? Or do I have that all wrong?
Thanks Kevin On Wed, 30 Mar 2005 21:46:36 +0100, Alan Gauld <[EMAIL PROTECTED]> wrote: > > > In a class is every def called a method > > Strictly speaking only those that have a 'self' parameter(or > equivalent) > The others are "unbound functions" and pretty useless, usually being > the result of programmer errors!... > > > and the def __init__(self) is called the constructor method? > > Usually. > > > I don't have a problem writting a def I am still not clear on how to > > use a constructor. > > Use the constructor to initialise the attributes of your new instance. > When you create an instance by calling a class: > > instance = Class(a,b,c) > > what happens is that Python creates a blank instance of Class > then calls the __init__ method of the new instance passing in > the arguments you gave to the class, in our case a,b,c. > > [ If your class inherits from a superclass then its usually a > good idea to call the superclass init method inside your init > just to make sure the superclass attributes are all set up > properly too. ] > > > Is there a site that explains the constructor in > > great detail? > > Well I try... But it depends on how great a detail you want. "Great > detail" > implies "not easy to understand", in which case the definitive site is > the > Python documentation! > > Alan G > Author of the Learn to Program web tutor > http://www.freenetpages.co.uk/hp/alan.gauld > > _______________________________________________ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor