GUI: through oop

from tkinter import *
from random import randrange as rnd, choice
import time
root = Tk()
root.geometry('800x600')

f = Frame()
f.pack(anchor=NW)
lbl1 = Label(f, width=10, text='0 очков')
l2 = Label(f, width=10, text='0 очков')
lbl1.pack(ipadx=10, side=LEFT)
l2.pack(ipadx=600, side=LEFT)

canv = Canvas(root, bg='white')
canv.pack(fill=BOTH,expand=1)

colors = ['green', 'yellow', 'orange', 'lightblue', 'blue', 'pink']

class Ball:
    """ Create new ball """
    def __init__(self, name, r, point):
        self.name = name
        self.countOfPoint = 0
        self.x = rnd(50+r, 750-r)
        self.y = rnd(50+r, 550-r)
        self.r = rnd(r-10, r+10)
        self.point = point
        canv.delete(self.name)
        canv.create_oval(self.x-r, self.y-r, self.x+r, self.y+r, tag=self.name,
                         fill=choice(colors), width=0)
        canv.tag_bind(self.name, '<Button-1>', self.click)
        root.after(2000, Ball(self.name, self.r, self.point))

    def click(self, event):
        canv.delete(self.name)
        self.countOfPoint += self.point
        lbl1['text'] = self.countOfPoint, 'очков'

Ball('oval', 40, 2)
root.mainloop()