what does self.classname() do and how is it done?

[Yoriz]

The method is created here

import wx
 
class HelloFrame(wx.Frame):
    """
    A Frame that says Hello World
    """
    ...
    ...
    def makeMenuBar(self):
        """
        A menu bar is composed of menus, which are composed of menu items.
        This method builds a set of menus and binds handlers to be called
        when the menu item is selected.
        """
    ...
    ...

and called here

import wx
 
class HelloFrame(wx.Frame):
    """
    A Frame that says Hello World
    """
 
    def __init__(self, *args, **kw):
        # ensure the parent's __init__ is called
        super(HelloFrame, self).__init__(*args, **kw)
        ...
        ...
        # create a menu bar
        self.makeMenuBar()