import Tkinter
s = Tkinter.Scrollbar()
L = Tkinter.Listbox()
s.pack(side=Tkinter.RIGHT, fill=Tkinter.Y)
L.pack(side=Tkinter.LEFT, fill=Tkinter.Y)
s.config(command=L.yview)
L.config(yscrollcommand=s.set)
for i in range(30):
L.insert(Tkinter.END, str(i)*3)
Tkinter.mainloop()