>>> from stem.util import enum
>>> insects = enum.Enum('ANT', 'WASP', 'LADYBUG', 'FIREFLY')
>>> insects.ANT
'Ant'
>>> tuple(insects)
('Ant', 'Wasp', 'Ladybug', 'Firefly')

>>> from stem.util import enum
>>> pets = enum.Enum(('DOG', 'Skippy'), 'CAT', ('FISH', 'Nemo'))
>>> pets.DOG
'Skippy'
>>> pets.CAT
'Cat'

UppercaseEnum - Provides an enum instance with capitalized values

Enum - Provides a basic, ordered  enumeration
  |- keys - string representation of our enum keys
  |- index_of - index of an enum value
  |- next - provides the enum after a given enum value
  |- previous - provides the enum before a given value
  |- __getitem__ - provides the value for an enum key
  +- __iter__ - iterator over our enum keys