import turtle as t

player1 = t.Turtle()

player1.shape("turtle")

player1.pencolor("white")

player1.fillcolor("blue")

player2 = t.Turtle()

player2.shape("turtle")

player2.fillcolor("red")

player2.pencolor("white")

player2.goto(-180, 180)

speed = 10

angle = 10

screen = t.Screen()

def draw_rectangle(player, x, y, width, height, color):

startpos = player.pos()

startcolor = player.pencolor()

player.pencolor(color)

player.up()

player.goto(x, y)

player.down()

player.forward(width)

player.left(90)

player.forward(height)

player.left(90)

player.forward(width)

player.left(90)

player.forward(height)

player.left(90)

player.up()

player.goto(startpos)

player.down()

player.pencolor(startcolor)

draw_rectangle(player1, -210, -210, 420, 420, "black")

def position(player):

if player.xcor() >= 200 :

player.up()

player.goto(199, player.ycor())

player.down()

return False

if player.xcor() <= -200:

player.up()

player.goto(-199, player.ycor())

player.down()

return False

if player.ycor() >= 200:

player.up()

player.goto(player.xcor(), 199)

player.down()

return False

if player.ycor() <= -200:

player.up()

player.goto(player.xcor(), -199)

player.down()

return False

return True

import math

def catch(playera, playerb):

x1 = playera.xcor()

y1 = playera.ycor()

x2 = playerb.xcor()

y2 = playerb.ycor()

c = math.pow(x1-x2,2) + math.pow(y2-y1,2)

c = math.sqrt(c)

if c < 10:

playera.fillcolor("red")

playerb.fillcolor("blue")

def f():

if position(player1): player1.forward(speed)

def b():

if position(player1): player1.backward(speed)

def r(): player1.right(angle)

def l(): player1.left(angle)

screen.onkey(f, "Up")

screen.onkey(b, "Down")

screen.onkey(r, "Right")

screen.onkey(l, "Left")

def f2():

if position(player2): player2.forward(speed)

catch(player1, player2)

def b2():

if position(player2): player2.backward(speed)

catch(player1, player2)

def r2(): player2.right(angle)

def l2(): player2.left(angle)

screen.onkey(f2, "q")

screen.onkey(b2, "a")

screen.onkey(r2, "x")

screen.onkey(l2, "z")

screen.listen()