>>> from codi import informacio

>>> informacio('larlado', 'blmalam')
'arla'
>>> informacio('0v&shiefsghi8', 'tc#r#iic#r#it')
'veshicarai'
>>> informacio('arados', 'blabla2')
'rla'
>>> informacio('arados2', 'blabla')
'rab'
>>> informacio('012345678', '4b$$$labl&&a4')
'123bleea'
>>> informacio('12345678', 'abcdef')
'1357bdf'