>>> from botigaroba import estoc_baix

>>> d = {('Pan85', 'XS','negre'):100,('Pan85','S','negre'):300,
... ('Pan85','XS','blau'):6,('Pan87','S','blau'):5,
... ('Pan87','L','blau'):12,('Pan85','M','blanc'):6,
... ('Pan85','L','blanc'):5,('Cam23','XL','blanc'):12}
>>> lresultat = estoc_baix(d,10)
>>> lresultat.sort()
>>> lresultat == [('Pan85','L','blanc'), ('Pan85','M','blanc'),
... ('Pan85','XS','blau'), ('Pan87','S','blau')]
True