>>> from bolets import bolets_toxics

>>> bolets = """Cogomella CIENTIFIC Macrolepiota Procera COMESTIBLE
... Bolet de greix de la tardor CIENTIFIC Gyromitra Infula COMESTIBLE
... Bolet de pi CIENTIFIC Hypholoma Fasciculare  TOXIC
... Bolet de Tinta CIENTIFIC Coprinus Comatus COMESTIBLE
... Camagroc CIENTIFIC Cantharellus LutescensCOMESTIBLE
... Cama-sec CIENTIFIC Marasmius oreades COMESTIBLE
... Carlet CIENTIFIC Hygrophorus russula COMESTIBLE
... Cep CIENTIFIC Boletus Edulis COMESTIBLE
... Farinera Borda CIENTIFIC Amanita phalloides TOXIC
... Fredolic CIENTIFIC Tricholoma Atrosquamosum COMESTIBLE
... Girgola CIENTIFIC Pleurotus ostreatus COMESTIBLE
... Girgola d'olivera CIENTIFIC Omphalotus olearius TOXIC
... Morilla CIENTIFIC Morchella Rotunda COMESTIBLE
... Ou del diable CIENTIFIC Phallus impudicus TOXIC
... Pebràs CIENTIFIC Russula Delica COMESTIBLE
... Peu de rata CIENTIFIC Ramaria Botrytis COMESTIBLE
... Pinetell de calceta CIENTIFIC Suillus Luteus COMESTIBLE
... Rossinyol CIENTIFIC Cantharellus Cibarius COMESTIBLE
... Rovelló de cabra CIENTIFIC Lactarius torminosus TOXIC
... Rovelló CIENTIFIC Lactarius Sanguifluus COMESTIBLE
... Pinetell CIENTIFIC Lactarius Deliciosus COMESTIBLE
... Tòfona negra CIENTIFIC Tuber melanosporum COMESTIBLE"""
>>> with open('bolets-1.txt', 'w') as f:
...     nc = f.write(bolets)

>>> bolets_toxics('bolets-1.txt', 'toxics-1.txt')
>>> with open('toxics-1.txt', 'r') as f:
...     t = f.read()
>>> print(t.strip())
Bolet de pi
Farinera Borda
Girgola d'olivera
Ou del diable
Rovelló de cabra


>>> bolets = """Cogomella CIENTIFIC Macrolepiota Procera COMESTIBLE
... Bolet de greix de la tardor CIENTIFIC Gyromitra Infula COMESTIBLE
... Bolet de Tinta CIENTIFIC Coprinus Comatus COMESTIBLE
... Camagroc CIENTIFIC Cantharellus LutescensCOMESTIBLE
... Cama-sec CIENTIFIC Marasmius oreades COMESTIBLE
... Carlet CIENTIFIC Hygrophorus russula COMESTIBLE
... Cep CIENTIFIC Boletus Edulis COMESTIBLE
... Fredolic CIENTIFIC Tricholoma Atrosquamosum COMESTIBLE
... Girgola CIENTIFIC Pleurotus ostreatus COMESTIBLE
... Morilla CIENTIFIC Morchella Rotunda COMESTIBLE
... Pebràs CIENTIFIC Russula Delica COMESTIBLE
... Peu de rata CIENTIFIC Ramaria Botrytis COMESTIBLE
... Pinetell de calceta CIENTIFIC Suillus Luteus COMESTIBLE
... Rossinyol CIENTIFIC Cantharellus Cibarius COMESTIBLE
... Rovelló CIENTIFIC Lactarius Sanguifluus COMESTIBLE
... Pinetell CIENTIFIC Lactarius Deliciosus COMESTIBLE
... Tòfona negra CIENTIFIC Tuber melanosporum COMESTIBLE"""
>>> with open('bolets-2.txt', 'w') as f:
...     nc = f.write(bolets)

>>> bolets_toxics('bolets-2.txt', 'toxics-2.txt')
>>> with open('toxics-2.txt', 'r') as f:
...     t = f.read()
>>> t.strip()
''