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 = 200
plate.setposition(x2,y2)

x = 10
y = 0
dx = 10
dy = 10

dx2 = 10
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 x2 >= w-200:
            x2 = w-200
            dy2 = 10
            dx2 = 0
        if y2 > h-200:
            y2 = h - 200
            dx2 = -8
            dy2 = 0
        if x2 < 200:
            x2 = 200
            dx2 = 0
            dy2 = -10
        if y2 < 200:
            y2 = 200
            dx2 = 10
            dy2 = 0

except Exception as ex:
    exit()