import turtle
t=turtle. Turtle()

a=turtle.Screen()
a.setup (width = 650, height = 650)
a.bgcolor("turquoise")


t.speed (1000)
t.width(5)
t.color("purple")
i=0
while i<2000000000000000000:
    i+=1.2
    t.fd(i%40000)
    t.rt(50)

turtle.done()