# Import the turtle module
import turtle as t
# Create a function called movecircle()
# that creates the main leg
def movecircle():
    t.right(turn)
    t.forward(50)
# This is what unintentionally creates the inner circle.
def moveinout():
    # First it moves out,
    t.left(90)
    t.forward(50)
    # It moves in,
    t.left(180)
    t.forward(320)
    # Moves back out
    t.backward(270)
    # and continues the main circle.
    t.left(90)

# Sets the number of sides to 18
s = 18
turn = 360 / s
turn = int(turn)
# Calls the turtle
t = t.Turtle()
# Moves to an appropiate location to start drawing
# Because the circle is not centered
# I have to do it myself
t.penup()
t.left(90)
t.forward(150)
t.right(90)
t.pendown()
# Loop that actually makes the circle
for i in range(0, s):
    movecircle()
    moveinout()