Python madness in comparisons with None

In python, everything is greater than None,

>>> 0 > None

True

>>> 0 < None

False

>>> 1 > None

True

>>> 1 < None

False

>>> -1 > None

True

>>> -1 < None

False

>>> 'a' > None

True

>>> 'a' < None

False

>>> 1.0 > None

True

>>> 1.0 < None

False