pizza_toppings = ['pepperoni', 'sausage',
                  'mushrooms', 'peppers', 'onions', 'pineapple']

pizza_toppings[0:2]    # Pep, Sausage
pizza_toppings[:2]     # Pep, Sausage

pizza_toppings[4:5]    # onions
pizza_toppings[4:]     # onions and pineapple

pizza_toppings[::2]    # pep, mushrooms, onions
