import turtle
import math
def xt(t):
return 16*math.sin(t)**3
def yt(t):
return 13*math.cos(t)-5*\
math.cos(2*t)-2*\
math.cos(3*t)-\
math.cos(4*t)
t = turtle.Turtle()
t.speed(0)
turtle.bgcolor('black')
for i in range(2550):
t.goto((xt(i)*20, yt(i)*20))
t.pencolor('red')
t.goto(0,0)
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