import turtle
ablak = turtle.Screen()
ablak.bgcolor("lightgreen")
ablak.title("Teknőcök")

Sanyi = turtle.Turtle()
Sanyi.color("blue")
Sanyi.pensize(4)

for szog in [90, -90, 90, 270, 180, 0, 0, 120, 120, 120, 0]:
    Sanyi.forward(50)
    Sanyi.left(szog)

Sanyi.color("red")
for i in range(4):
    Sanyi.forward(100)
    Sanyi.left(90)

Sanyi.color("yellow")
for j in range(360):
    Sanyi.forward(2*100*3.141592/360)
    Sanyi.left(1)

Sanyi.color("black")
Sanyi.penup()
for alak in ["lépcső", "háromszág", "négyzet", "kör", "csiga"]:
    Sanyi.write(alak)
    Sanyi.right(90)
    Sanyi.forward(20)
    Sanyi.left(90)
Sanyi.pendown()

Sanyi.color("white")
for hossz in range(100, 0, -10):
    Sanyi.forward(hossz)
    Sanyi.left(90)

ablak.mainloop()