Problem 1:

#Program: sierpinski.py
#Author: Brenda Student
#Class: CSCI 110
#Date: 3/18/11
#Purpose: Use recursion to draw the Sierpinski gasket

from turtle import Pen as Turtle

def drawTriangle(myTurtle, size):
    myTurtle.forward(size)
    myTurtle.left(120)
    myTurtle.forward(size)
    myTurtle.left(120)
    myTurtle.forward(size)
    myTurtle.left(120)

def sierpinski(myTurtle, size, level):
    if level <= 0:
        drawTriangle(myTurtle, size)
    else:
        sierpinski(myTurtle, size/2, level-1)
        myTurtle.forward(size/2)
        sierpinski(myTurtle, size/2, level-1)
        myTurtle.backward(size/2)
        myTurtle.left(60)
        myTurtle.forward(size/2)
        myTurtle.right(60)
        sierpinski(myTurtle, size/2, level-1)
        myTurtle.left(60)
        myTurtle.backward(size/2)
        myTurtle.right(60)

#begin program
yertle = Turtle( )
sierpinski(yertle, 100, 3)

Problem 2:

#Program: heroClass.py
#Author: Brenda Student
#Class: CSCI 110
#Date: 3/18/11
#Assignment: Lab 6
#Purpose: Create a hero class to keep track of hero's health.
#         Also allows the hero to attack a troll.

class Hero:
    health = 10

    def __init__(self, heroName):
        self.name = heroName

    def __str__(self):
         return "I am the hero, " + self.name

    def attack_troll(self):
        print self.name + " has attacked a troll."
        self.health = self.health - 2
        print self.name + " now has", self.health, "health points."

heroName = raw_input("Please enter the hero's name: ")
myHero = Hero(heroName)
print myHero
myHero.attack_troll( )