favorite_things = ['raindrops on roses', 'whiskers on kittens', 'bright copper kettles',
                   'warm woolen mittens', 'bright paper packages tied up with string',
                   'cream colored ponies', 'crisp apple strudels']
slice1 = favorite_things[1:4]
slice2 = favorite_things[-2:]
sorted_things = favorite_things[:]
sorted_things.sort()




numbers = list(range(20))
numbers
numbers[::2]
numbers[2::2]
numbers[::-1]
