import os
from tkinter import *
os.chdir(r'D:\projects\wordpress\ex53')
root = Tk()
Button(root,text="A").pack(side=LEFT,expand=YES,fill=Y)
Button(root,text="B").pack(side=TOP,expand=YES,fill=BOTH)
Button(root,text="C").pack(side=RIGHT,expand=YES,fill=NONE,anchor=NE)
Button(root,text="D").pack(side=LEFT,expand=NO,fill=Y)
Button(root,text="E").pack(side=TOP,expand=NO,fill=BOTH)
Button(root,text="F").pack(side=RIGHT,expand=NO,fill=NONE)
Button(root,text="G").pack(side=BOTTOM,expand=YES,fill=Y)
Button(root,text="H").pack(side=TOP,expand=NO,fill=BOTH)
Button(root,text="I").pack(side=RIGHT,expand=NO)
Button(root,text="J").pack(anchor=SE)
root.mainloop()

example63