#pack_sample.py
# Use a StringVar to create a changeable label
from Tkinter import *

# Hold onto a global reference for the root window
root = None
count = 0 # Click counter
    
def addButton(root, sideToPack):
    global count
    name = "Button "+ str(count) +" "+sideToPack
    
    button = Button(root, text=name)
    button.pack(side=sideToPack)
    count +=1

def addLabel(parent, sideToPack=TOP):
    global count
    l = Label(parent, text="Label "+ str(count))
    l.pack(side=sideToPack)
    count+=1
    
def main():
    global root
    
    root = Tk()  # Create the root (base) window where all widgets go
    frame0 = Frame(root) # Holds Frame 1 and 2
    
    frame1 = Frame(frame0)
    addButton(frame1, TOP)
    addButton(frame1, TOP)
    addButton(frame1, TOP)
    addButton(frame1, TOP)
    addButton(frame1, TOP)
    frame1.pack(side=LEFT)

    frame2 = Frame(frame0)
    addButton(frame2, TOP)
    addButton(frame2, TOP)
    addButton(frame2, TOP)
    frame2.pack(side=LEFT)

    # Top Frame
    frame3 = Frame(root)
    addLabel(frame3)

    # Bottom Frame
    frame4 = Frame(root)
    addLabel(frame4)

    frame3.pack(side=TOP)
    frame0.pack(side=TOP)
    frame4.pack(side=TOP)


    root.mainloop() # Start the event loop

main()