>>> from lleure import calc_anim

--ini

>>> calc_anim(101.0)
(True, 'baix')
>>> calc_anim(150.1)
(True, 'mig')
>>> calc_anim(230.0)
(True, 'alt')
>>> calc_anim(0.0)
(False, '')
>>> calc_anim(300.0)
(False, '')

--fi

>>> calc_anim(150.0)
(True, 'baix')

>>> calc_anim(100.0)
(False, '')

>>> calc_anim(283.0)
(True, 'alt')

>>> calc_anim(283.1)
(False, '')