#Frames / Pack / Grid example.

from tkinter import *

class PackDemo:
    def __init__(self,win):
        myWin = win
        #Create the widgets
        self.leftFrame = Frame(myWin,borderwidth=5,relief="solid" )
        self.leftFrame.pack(side=LEFT,fill=X,expand=1)

        l = Label(self.leftFrame,text="Left \n Frame Label!", bg="Blue")
        l.pack()
        b = Button(self.leftFrame,text="B1")
        b.pack()
        b = Button(self.leftFrame,text="B2")
        b.pack(fill=X)

        self.rightFrame = Frame(myWin, borderwidth=5,relief="solid" )
        self.rightFrame.pack(side=RIGHT,fill=Y)

        b = Button(self.rightFrame,text="top")
        b.pack(side=TOP)

        b = Button(self.rightFrame, text="left")
        b.pack(side=LEFT)

        b = Button(self.rightFrame, text="right")
        b.pack(side=RIGHT)

        b = Button(self.rightFrame, text="bottom")
        b.pack(side=BOTTOM)
        
   

      
    
mw = Tk()
mwo = PackDemo(mw)
mw.mainloop()