from turtle import *
import random

colors = ["#1CA195", "#277B72", "#277B61", "#AE5B28"]

pensize(3)
speed(0)
hideturtle()
tracer(0,0)
color(colors[0])
for i in range(10000):
    for i in range(4):
        fd(50)
        lt(90)
    lt(1)
    update()
    clear()

update()
done()