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simple polygon-drawing turtle functions

import time

def square1(turtle):
  for i in range(4):
    turtle.forward(100)
    turtle.turn(90)
    time.sleep(1.0)

def triangle1(turtle):
  for i in range(3):
    turtle.forward(100)
    turtle.turn(120)
    time.sleep(1.0)

def polygon(turtle, n, length):
  for i in range(n):
    turtle.forward(length)
    turtle.turn(360/n)

def triangle(turtle):
  polygon(turtle, 3, 100)

def square(turtle):
  polygon(turtle, 4, 100)

# Question (difficult):
# Why does the following not draw a circle?
# (Or at least a 360-sided polygon?)
def circle(turtle):
  polygon(turtle, 360, 1)  

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• Slides and Code- Spring 2008 last edited on 23 April 2008 at 11:00 am by lawn-128-61-23-153.lawn.gatech.edu