#Ryan Sherwood#CSC110#Sp'11#April 25, 2011#Creating a picture with the GUI### Statement for Gui toolsimport Gui# Named Constants CANVAS_WIDTH = 640CANVAS_HEIGHT = 480#def Sun(x, y, z): #canvas.circle ([0,0], 10, fill= yellow)# Functionsdef main(): canvas.circle ([0,0], 10, fill= 'yellow')####################################################################### DO NOT CHANGE ANYTHING BELOW THIS LINE####################################################################### Setup the canvas -- canvas is the drawing area# Note that 'win' and 'canvas' are GLOBAL VARIABLES in this programwin = Gui.Gui()win.title('Playing around with Gui')canvas = win.ca(width = CANVAS_WIDTH, height = CANVAS_HEIGHT)# run the main functionmain()# show the windowwin.mainloop()# Here are some colors you can use: 'white', 'gray', 'black', 'red',# 'green', 'blue', 'cyan', 'yellow', 'magenta', 'brown', 'darkgreen'# Hundreds of colors here: http://tmml.sourceforge.net/doc/tk/colors.html