# Tk_circle_changer.py

# Tk_circle_changer.py

import Tkinter

root = Tkinter.Tk()

ypos_intvar = Tkinter.IntVar()
ypos_intvar.set(100)

def y_changed(new_intval):
    canvas.coords(circle_item, 100, 20 + int(new_intval), 200, 120 + int(new_intval))

y_slider = Tkinter.Scale(root, from_=1, to=150, variable=ypos_intvar,
                              label='Y-Position', command=y_changed)
y_slider.grid(row=1, column=0, sticky=Tkinter.W)

text = Tkinter.Label(root, text=' Drag Slider To Adjust Circle')
text.grid(row=0, column=0)

canvas = Tkinter.Canvas(root, width=300, height=300, background='#FFFFFF')
canvas.grid(row=0, rowspan=2, column=1)

circle_item = canvas.create_oval(150, 150, 150, 150,
                                 outline='#000000', fill='#00FFFF')
root.mainloop()