GUI using TkInter

[Lea]

I have a question regarding the complexity of adding a basic GUI to my IA program using the library TkInter. I did a course on Treehouse, however, I did not have any prior knowledge on how to use classes and things like

Code: Select all

class Org:
    def __init__(self, master):
    	self.master = master
        self.mainframe = tkinter.Frame(self.master, bg = "white")
        self.mainframe.pack(fill = tkinter.BOTH, expand = True)
    # more code - calling functions
        def build_grid(self):
        self.mainframe.columnconfigure(0, weight = 1)
        self.mainframe.rowconfigure(0, weight = 0)
        self.mainframe.rowconfigure(1, weight = 1)
        self.mainframe.rowconfigure(2, weight = 0)
      # more code - defining functions

or defining functions that call themselves. Could you enlighten me on whether there are other ways of integrating GUI or what exactly these segments of code represent?

Thanks,
Lea