from tkinter import *
from random import randrange, randint

x=randint(0, 200)
y=randint(0, 200)
r=15

def disque():
    x=randint(0, 200)
    y=randint(0, 200)
    r=randint(1, 20)
    c=['red','green','blue','yellow','orange']
    i=randrange(5)
    can.create_oval(x-r, y-r, x+r, y+r, fill=c[i], outline=c[i])

def haut():
    global x, y
    y -= 10
    can.coords(oval, x-r, y-r, x+r, y+r)

def bas():
    global x, y
    y += 10
    can.coords(oval, x-r, y-r, x+r, y+r)

def droite():
    global x, y
    x += 10
    can.coords(oval, x-r, y-r, x+r, y+r)

def gauche():
    global x, y
    x -= 10
    can.coords(oval, x-r, y-r, x+r, y+r)


fen = Tk()
can = Canvas(fen, bg='white', height=200, width=200)
can.pack(side=RIGHT)
bout1 = Button(fen,text='Quitter',command=fen.destroy)
bout1.pack(side=BOTTOM) #Comme Christine Boutin



c=['red','green','blue','yellow','orange']
i=randrange(5)
oval = can.create_oval(x-r, y-r, x+r, y+r, fill=c[i], outline=c[i])


boutHaut = Button(fen,text='Haut',command=haut)
boutHaut.pack(side=TOP)
boutBas = Button(fen,text='Bas',command=bas)
boutBas.pack(side=TOP)
boutDroite = Button(fen,text='Droite',command=droite)
boutDroite.pack(side=TOP)
boutGauche = Button(fen,text='Gauche',command=gauche)
boutGauche.pack(side=TOP)

fen.after(50,deplace)

fen.mainloop()