>>> from aracnid import Aracnid

>>> a1 = Aracnid('Latrodectus tredecimguttatus', 'Viuda negra')
>>> a1.nom_cientific
'Latrodectus tredecimguttatus'
>>> a1.nom_comu
'Viuda negra'
>>> a1.nombre_tagmes
2
>>> a1.num_apendixs()
8
>>> a1['potes']
8
>>> a1['ullals'] = 2
>>> a1['pedipalps'] = 2
>>> a1['ullals'], a1['pedipalps'], a1['potes'], a1['ales']
(2, 2, 8, 0)
>>> a1.num_apendixs()
12

>>> a2 = Aracnid('Belisarius xambeui', 'Escorpi cec')
>>> a2.nom_cientific
'Belisarius xambeui'
>>> a2.nom_comu
'Escorpi cec'
>>> a2.nombre_tagmes
2
>>> a2.num_apendixs()
8
>>> a2['potes']
8
>>> a2['pinces'] = 2
>>> a2['quelicers'] = 2
>>> a2['fiblons'] = 1
>>> a2['pinces'], a2['quelicers'], a2['potes'], a2['pedipalps'], a2['fiblons']
(2, 2, 8, 0, 1)