# make the turtle graphics module available
import turtle

# set up our graphical canvas
# width = 500, height = 500
# starting point will be the center of the screen
turtle.setup(500,500)

# pick up the pen so we can move to a new position
turtle.penup()

# now move to the top left side of the screen
turtle.goto(-200, 200)

# put the pen down
turtle.pendown()

# draw a square here
turtle.forward(100)
turtle.right(90)
turtle.forward(100)
turtle.right(90)
turtle.forward(100)
turtle.right(90)
turtle.forward(100)
turtle.right(90)

# pick up the pen and move to the bottom right side
# of the screen
turtle.penup()
turtle.goto(100, -100)

# put the pen down when we get here
turtle.pendown()

# make sure we are facing to the right
turtle.setheading(0)

# now draw a triangle
turtle.forward(100)
turtle.right(120)
turtle.forward(100)
turtle.right(120)
turtle.forward(100)
turtle.right(120)



# pentagon at top right side of the screen

# pick up pen and move
turtle.penup()
turtle.goto(100, 200)
turtle.pendown()

# make sure we are facing to the right
turtle.setheading(0)

# draw the pentagon
turtle.forward(100)
turtle.right(360/5)
turtle.forward(100)
turtle.right(360/5)
turtle.forward(100)
turtle.right(360/5)
turtle.forward(100)
turtle.right(360/5)
turtle.forward(100)
turtle.right(360/5)



# octogon at bottom left side of the screen

# pick up pen and move
turtle.penup()
turtle.goto(-200, -100)
turtle.pendown()

# make sure we are facing to the right
turtle.setheading(0)

# draw the octogon
turtle.forward(50)
turtle.right(360/8)
turtle.forward(50)
turtle.right(360/8)
turtle.forward(50)
turtle.right(360/8)
turtle.forward(50)
turtle.right(360/8)
turtle.forward(50)
turtle.right(360/8)
turtle.forward(50)
turtle.right(360/8)
turtle.forward(50)
turtle.right(360/8)
turtle.forward(50)
turtle.right(360/8)