>>> from dates import age

>>> e = age(10, 4, 1990, 23, 5, 2013)
>>> e
23
>>> e = age(10, 4, 1990, 5, 3, 2013)
>>> e
22
>>> e = age(11, 1, 1998, 23, 5, 2018)
>>> e
20
>>> e = age(7, 6, 1945, 5, 3, 2010)
>>> e
64