How do I hide my ovals

I am creating a game and I have 4 lines and an algorithm to make a quite similar game to tic tac toe. I want to hide all 9 ovals on the canvas in the beginning and then have them show up as they're clicked and then be painted to a certain color when clicked which I plan to use the colors to make it a 2 player game so it paints black for example for 1st, 3rd, 5th, 7th and 9th clicks and yellow for example for the 2nd, 4th, 6th and 8th clicks. I have tried oval.destroy and canvas.itemconfig(oval, state='hidden'), but still no luck. Please help me Here is my code: import Tkinter

root = Tkinter.Tk() root.wm_title('tic-tac-toe') start = root canvas = Tkinter.Canvas(root, width=300, height=300, background='white') canvas.grid(row=1, rowspan=2, column=1) canvas.pack() btn1= Tkinter.Button(root, bg='white', command =canvas.delete("all"), text = 'exit') canvas.focus_set()

r = 40 x1 = 0 x2 = 300 for z in range(0, 300, 100): y1 = z y2 = z canvas.create_line(x1, y1, x2, y2) y1 = 0 y2 = 300 for z in range(0, 300, 100): x1 = z x2 = z canvas.create_line(x1, y1, x2, y2) for x in range(10, 300, 100): for y in range(10, 300, 100): canvas.create_oval(x, y, x + 2*r, y + 2*r)

def closewindow(): exit() oval=canvas.create_oval oval.destroy()

root.mainloop()