import turtle
from random import random
w = 1000
h = 800
s = turtle.Screen()
#Блок ниже не изменять: ===================
s.setup(w,h, 0,200)            #
s.setworldcoordinates(0, h, w, 0)  #
s.bgcolor('grey')
s.title('Our Screen')

#Конец блока ==============================

ball = turtle.Turtle()
ball.shape('circle')
ball.color('red')
ball.up()

plate = turtle.Turtle()
plate.shape('square')
plate.shapesize(1,3)
plate.speed(0)
plate.color('green')
plate.up()
x2 = 200
y2 = 787
plate.setposition(x2,y2)

x = 30
y = 30
dx = 10
dy = 10

dx2 = 8
dy2 = 0

count = 0
try:
    while True:
        s.update()
        ball.setx(x)
        ball.sety(y)
        y += dy
        x += dx
        if x > w or x < 5:
            dx = -dx
        if y > h or y < 5:
            dy = -dy
        plate.setx(x2)
        plate.sety(y2)
        y2 += dy2
        x2 += dx2
        if count == 2:
            dx2 = 0
            dy2 = -8
            count += 1
        elif count == 5:
            dx2 = 8
            dy2 = 0
            count = 0
        elif count > 2:
            if y2 > h-10 or y2 < 10:
                dy2 = -dy2
                count += 1
                plate.color(random(),random(),random())
        else:
            if x2 > w-25 or x2 < 20:
                dx2 = -dx2
                count += 1
                plate.color(random(),random(),random())


except Exception as ex:
    exit()