>>> from balls import ballsD_sort


--ini

>>> balls_D = {
... 'Mataró': [(88999000, 'Lindy Hop'), (77000767, 'Lindy Hop'), (77000767, 'Shag')],
... 'Bcn': [(55444333, 'Rock'), (55444333, 'Lindy Hop'), (10111222, 'Lindy Hop'), (10111222, 'Blues')],
... 'X': [(44555666, 'Lindy Hop'), (44555666, 'Blues'), (44555666, 'Rock')],
... }
>>> ballsD_sort(balls_D)

>>> correctD = {
... 'Mataró': [(77000767, 'Lindy Hop'), (88999000, 'Lindy Hop'), (77000767, 'Shag')],
... 'Bcn': [(10111222, 'Blues'), (10111222, 'Lindy Hop'), (55444333, 'Lindy Hop'), (55444333, 'Rock')],
... 'X': [(44555666, 'Blues'), (44555666, 'Lindy Hop'), (44555666, 'Rock')]}

--fi

>>> if balls_D != correctD:
...     print(solD)


>>> balls_D = {'X': [(88999000, 'Lindy Hop'), (55444333, 'Rock'), (55444333, 'Lindy Hop'), (10111222, 'Lindy Hop'), (10111222, 'Blues'), (44555666, 'Lindy Hop'), (44555666, 'Blues'), (44555666, 'Rock'), (77000767, 'Lindy Hop'), (77000767, 'Shag')]}

>>> ballsD_sort(balls_D)

>>> correctD = {'X': [(10111222, 'Blues'), (44555666, 'Blues'), (10111222, 'Lindy Hop'), (44555666, 'Lindy Hop'), (55444333, 'Lindy Hop'), (77000767, 'Lindy Hop'), (88999000, 'Lindy Hop'), (44555666, 'Rock'), (55444333, 'Rock'), (77000767, 'Shag')]}

>>> if balls_D != correctD:
...     print(solD)