Juntando el queshito y el arco

from Tkinter import *

v0 = Tk()
v1 = Toplevel(v0)
v2 = Toplevel(v0)
v3 = Toplevel(v0)
v4 = Toplevel(v0)
v5 = Toplevel(v0)
v6 = Toplevel(v0)

v0.title("Figuras")
v1.title("Circulo")
v2.title("Rectangulo")
v3.title("Lineas")
v4.title('Queshito :3')
v5.title('Arco')
v6.title('Arco y Queshito')

v1.protocol("WM_DELETE_WINDOW", "onexit")
v2.protocol("WM_DELETE_WINDOW", "onexit")
v3.protocol("WM_DELETE_WINDOW", "onexit")
v4.protocol("WM_DELETE_WINDOW", "onexit")
v5.protocol("WM_DELETE_WINDOW", "onexit")
v6.protocol("WM_DELETE_WINDOW", "onexit")

def mostrar(ventana): ventana.deiconify()


def ocultar(ventana): ventana.withdraw()


def ejecutar(f): v0.after(200, f)


v0.config(bg="black")
v0.geometry("288x300")


def circulo(ventana):
    v1.deiconify()
    circulo = Canvas(v1, width=210, height=210, bg="white")
    circulo.pack()
    cuadro = circulo.create_oval(10, 10, 200, 200, width=3, fill="blue")


def rectangulo(ventana):
    v2.deiconify()
    rectangulo = Canvas(v2, width=210, height=210, bg="white")
    rectangulo.pack(expand=YES, fill=BOTH)
    rectangulo.create_rectangle(10, 10, 200, 200, width=3, fill='black')


def lineas(ventana):
    v3.deiconify()
    linea = Canvas(v3, width=210, height=210, bg='white')
    linea.pack(expand=YES, fill=BOTH)
    linea.create_line(0, 200, 200, 0, width=10, fill='black')
    linea.create_line(0, 0, 200, 200, width=10, fill='black')

def quesito(ventana):
    v4.deiconify()
    canvas = Canvas(v4, width=300, height=200, bg='white')
    canvas.pack(expand=YES, fill=BOTH)
    xy = 10, 10, 190, 190
    canvas.create_arc(xy, start=0, extent=270, fill='gray60')

def arco(ventana):
    v5.deiconify()
    canvas = Canvas(v5,width=300, height=200, bg='white')
    canvas.pack(expand=YES, fill=BOTH)
    canvas.create_arc(10, 10, 190, 190, start=270, extent=90, fill='gray90')
----------------------FUNCION PARA JUNTAR EL QUESHITO Y ARCO-----
def grafico(ventana):
    v6.deiconify()
    arco = Canvas(v6, width=300, height=200, bg='white')
    arco.pack(expand=YES, fill=BOTH)
    xy = 10, 10, 190, 190
    arco.create_arc(xy, start=0, extent=270, fill='gray60')
    arco.create_arc(10, 10, 190, 190, start=270, extent=90, fill='gray90')

boton2 = Button(v1, text="Cerrar", relief=SOLID, bg='green', cursor="box_spiral", command=lambda: ejecutar(ocultar(v1)))
boton2.pack()
boton5 = Button(v2, text="Cerrar", relief=SOLID, bg='red', cursor="pencil", command=lambda: ejecutar(ocultar(v2)))
boton5.pack()
boton2 = Button(v3, text="Cerrar", relief=SOLID, bg='blue', cursor="umbrella", command=lambda: ejecutar(ocultar(v3)))
boton2.pack()
boton5 = Button(v4, text="Cerrar", relief=SOLID, bg='red', cursor="pencil", command=lambda: ejecutar(ocultar(v4)))
boton5.pack()
boton5 = Button(v5, text="Cerrar", relief=SOLID, bg='red', cursor="pencil", command=lambda: ejecutar(ocultar(v5)))
boton5.pack()
boton2 = Button(v6, text="Cerrar", relief=SOLID, bg='green', cursor="box_spiral", command=lambda: ejecutar(ocultar(v6)))
boton2.pack()


b1 = Button(v0, text="Mostrar circulo", relief=FLAT, bg='white', cursor="sizing", command=lambda: ejecutar(circulo(v1)))
b1.grid(row=1, column=3)

b2 = Button(v0, text="Mostrar rectangulo", relief=FLAT, bg='white', cursor="hand1", command=lambda: ejecutar(rectangulo(v0)))
b2.grid(row=1, column=2)

b3 = Button(v0, text="Mostrar lineas", relief=FLAT, bg='white', cursor="hand2", command=lambda: ejecutar(lineas(v0)))
b3.grid(row=1, column=1)


b4 = Button(v0, text="Mostrar queshito", relief=FLAT, bg='white', cursor="hand2", command=lambda: ejecutar(arco(v4)))
b4.grid(row=2, column=1)

b5 = Button(v0, text="Mostrar arco", relief=FLAT, bg='white', cursor="hand2", command=lambda: ejecutar(quesito(v5)))
b5.grid(row=2, column=2)

b6 = Button(v0, text="Mostrar Arco y Queshito", relief=FLAT, bg='white', cursor="sizing", command=lambda: ejecutar(grafico(v1)))
b6.grid(row=2, column=3)

v6.withdraw()
v5.withdraw()
v4.withdraw()
v3.withdraw()
v2.withdraw()
v1.withdraw()
v0.mainloop()