>>> from dates import data_anterior, data_igual, data_posterior

>>> c = data_anterior(10, 4, 1917, 8, 2, 1923)
>>> c
True
>>> c = data_igual(10, 4, 1917, 8, 2, 1923)
>>> c
False
>>> c = data_posterior(10, 4, 1917, 8, 2, 1923)
>>> c
False

>>> c = data_anterior(10, 4, 1917, 8, 4, 1917)
>>> c
False
>>> c = data_igual(10, 4, 1917, 8, 4, 1917)
>>> c
False
>>> c = data_posterior(10, 4, 1917, 8, 4, 1917)
>>> c
True

>>> c = data_anterior(10, 4, 1917, 10, 4, 1917)
>>> c
False
>>> c = data_igual(10, 4, 1917, 10, 4, 1917)
>>> c
True
>>> c = data_posterior(10, 4, 1917, 10, 4, 1917)
>>> c
False