import turtle
screen = turtle.Screen()
screen.setup(550, 600, startx=0, starty=100)
t = turtle.Turtle()
turtle.bgcolor('black')
turtle.color('yellow')
turtle.speed(11)
turtle.right(45)
for i in range(150):
    turtle.circle(25)
    if 7 < i <62:
        turtle.left(5)
    if 80 < i <133:
        turtle.right(5)
    if i < 80:
        turtle.forward(10)
    else:
        turtle.forward(5)