fd() means forward, bk() means back and rt() or It() means tilt right by certain angle.

from turtle import *
speed(0)
pencolor('white')
bgcolor('black')
x = 0
up()
rt(45)
fd(90)
rt(135)
down()
while x < 120:
fd(200)
rt(61)
fd(200)
rt(61)
fd(200)
rt(61)
fd(200)
rt(61)
fd(200)
rt(61)
fd(200)
rt(61)
rt(11.1111)
x = x+1
exitonclick()
