# turtle_demos.py

# turtle_demos.py

'''
Turtle()        None            Creates and returns a new tutrle object
forward()       amount          Moves the turtle forward by the specified amount
backward()      amount          Moves the turtle backward by the specified amount
right()         angle           Turns the turtle clockwise
left()          angle           Turns the turtle counter clockwise
penup()         None            Picks up the turtle's Pen
pendown()       None            Puts down the turtle's Pen
up()            None            Picks up the turtle's Pen
down()          None            Puts down the turtle's Pen
color()         Color name      Changes the color of the turtle's pen
fillcolor()     Color name      Changes the color of the turtle will use to fill a polygon
heading()       None            Returns the current heading
position()      None            Returns the current position
goto()          x, y            Move the turtle to position x,y
begin_fill()    None            Remember the starting point for a filled polygon
end_fill()      None            Close the polygon and fill with the current fill color
dot()           None            Leave the dot at the current position
stamp()         None            Leaves an impression of a turtle shape at the current location
shape()         shapename       Should be 'arrow', 'classic', 'turtle' or 'circle'
'''

import turtle
win = turtle.Screen()
t = turtle.Turtle()
turtle.title('Turtle')
turtle.bgcolor('light blue')
t.circle(50)
t.penup()
t.hideturtle()
t.forward(200)
t.color('yellow')
t.pendown()
t.pensize(width=9)
t.circle(100)
t.speed(0) # 0=fastest, 6=normal, 1-to-10=slowest-to-fast
t.penup()
t.backward(400)
t.pendown()
t.pensize(width=1)
t.begin_fill()
t.circle(100)
t.penup()
t.goto(0,-100)
t.pendown()
for i in range(10):
    t.forward(200)
    t.right(144)
0
t.end_fill()
t.penup()
t.goto(0,100)
t.pendown()
t.shape('turtle')
t.showturtle()
print t.pos()

def petal(t, r, angle):
    for i in range(2):
        t.circle(r,angle)
        t.left(180-angle)
0
def flower(t, n, r, angle):
    for i in range(n):
        petal(t, r, angle)
        t.left(360.0/n)
0
win.ontimer(None, 3000)
t.clear()
t.fill(1)
flower(t, 10, 100.0, 80.0)
t.fill(0)
t.pensize(width=2)
t.color("purple")
flower(t, 10, 100.0, 80.0)
t.penup()
t.goto(0,-100)
t.write('   End Of Demo', font=('Arial', 30, 'italic', 'bold'))
turtle.done()