import turtle

draw = turtle.Turtle()

# background color & stuff...
wn=turtle.Screen()
wn.bgcolor("gray")

colors = ['red', 'orange', 'yellow', 'green', 'blue', 'indigo', 'purple']

draw.speed(10) # Only because speed 0 showed no animation and is still slow :/
# Hiding the turtle (showing it is cool too)
#draw.hideturtle()

# Ying Yang function, its all softcoded into a whole area and a perfect circle which is why its a long function.
def yingYang(color, color2, radius):
    draw.color("black")
    draw.fillcolor(color)
    draw.begin_fill()
    draw.circle(-radius/2, 180)
    draw.circle(radius/2, 180)
    draw.circle(radius, 180)
    draw.end_fill()
    draw.left(0)
    draw.circle(radius, 180)
    draw.left(90)
    draw.penup()
    draw.color("black")
    draw.fillcolor(color2)
    draw.forward(radius/3)
    draw.right(90)
    draw.pendown()
    draw.begin_fill()
    draw.circle(radius/8, 360)
    draw.end_fill()
    draw.penup()
    draw.left(90)
    draw.backward(radius/3)
    draw.left(90)
    draw.pendown()
    draw.color("black")
    draw.circle(-radius)

# Regular Yin(g) Yang effect and its all softcoded.

while True:
  yingYang("white", "black", 100)
  yingYang("black", "white", 100)

# Colorful effect down there

#y = 0
#while True:
#  if (y == len(colors)):
#    y = 0
#  yingYang(colors[y], "black", 100)
#  yingYang(colors[0] if y == (len(colors)) - 1 else colors[y + 1] , "white", 100)
#  y = y + 1