>>> from quadrants import calcula_quadrant

---- inici

>>> q1 = calcula_quadrant(5, 2)
>>> q1
'I'

>>> q2 = calcula_quadrant(3, 0)
>>> q2
'X'

>>> q3 = calcula_quadrant(-2.7, -54.873)
>>> q3
'III'

---- fi

>>> q1 = calcula_quadrant(-5, 2)
>>> q1
'II'

>>> q1 = calcula_quadrant(5, -2)
>>> q1
'IV'

>>> q1 = calcula_quadrant(0, 2)
>>> q1
'Y'

>>> q1 = calcula_quadrant(0.0, 0)
>>> q1
'O'

>>> q1 = calcula_quadrant(5.3, 2.87987)
>>> q1
'I'

>>> q1 = calcula_quadrant(-5823.12321, 23e2)
>>> q1
'II'

>>> q1 = calcula_quadrant(-125.923, -5632.2342344)
>>> q1
'III'

>>> q1 = calcula_quadrant(2345.234, -2342.3)
>>> q1
'IV'

>>> q1 = calcula_quadrant(0, 0)
>>> q1
'O'

>>> q1 = calcula_quadrant(-57.03, 0.0)
>>> q1
'X'

>>> q1 = calcula_quadrant(0.0, -39.7)
>>> q1
'Y'