from Tkinter import *

root = Tk()
root.title('Simple Plot - Version 1')

canvas = Canvas(root, width=450, height=300, bg = 'white')
canvas.pack()
Button(root, text='Quit', command=root.quit).pack()

canvas.create_line(100,250,400,250, width=2)
canvas.create_line(100,250,100,50,  width=2)

for i in range(11):
    x = 100 + (i * 30)
    canvas.create_line(x,250,x,245, width=2)
    canvas.create_text(x,254, text='%d'% (10*i), anchor=N)

for i in range(6):
    y = 250 - (i * 40)
    canvas.create_line(100,y,105,y, width=2)
    canvas.create_text(96,y, text='%5.1f'% (50.*i), anchor=E)

for x,y in [(12, 56), (20, 94), (33, 98), (45, 120), (61, 180),
            (75, 160), (98, 223)]:
    x = 100 + 3*x
    y = 250 - (4*y)/5
    canvas.create_oval(x-6,y-6,x+6,y+6, width=1,
                       outline='black', fill='SkyBlue2')

root.mainloop()
