>>> from datetime import timedelta
>>> from pessa_musical import PeçaMusical
>>> from album import Album


>>> a1 = Album('The Dark Side of the Moon', 'Pink Floyd', 1973, 10)
>>> print(a1.titol)
The Dark Side of the Moon
>>> print(a1.autor)
Pink Floyd
>>> print(a1.any_publicacio)
1973
>>> print(len(a1))
10
>>> a1[0] = PeçaMusical('Speak to Me', timedelta(minutes=1, seconds=8))
>>> print(a1[0].titol, a1[0].durada)
Speak to Me 0:01:08
>>> a1[1] = PeçaMusical('Breathe', timedelta(minutes=2, seconds=49))
>>> print(a1[1].titol, a1[1].durada)
Breathe 0:02:49
>>> a1[2] = PeçaMusical('On the Run', timedelta(minutes=3, seconds=51))
>>> print(a1[2].titol, a1[2].durada)
On the Run 0:03:51
>>> a1[3] = PeçaMusical('Time', timedelta(minutes=6, seconds=50))
>>> print(a1[3].titol, a1[3].durada)
Time 0:06:50
>>> a1[4] = PeçaMusical('The Great Gig in the Sky', timedelta(minutes=4, seconds=44))
>>> print(a1[4].titol, a1[4].durada)
The Great Gig in the Sky 0:04:44
>>> a1[5] = PeçaMusical('Money', timedelta(minutes=6, seconds=23))
>>> print(a1[5].titol, a1[5].durada)
Money 0:06:23
>>> a1[6] = PeçaMusical('Us and Them', timedelta(minutes=7, seconds=50))
>>> print(a1[6].titol, a1[6].durada)
Us and Them 0:07:50
>>> a1[7] = PeçaMusical('Any Colour You Like', timedelta(minutes=3, seconds=26))
>>> print(a1[7].titol, a1[7].durada)
Any Colour You Like 0:03:26
>>> a1[8] = PeçaMusical('Brain Damage', timedelta(minutes=3, seconds=47))
>>> print(a1[8].titol, a1[8].durada)
Brain Damage 0:03:47
>>> a1[9] = PeçaMusical('Eclipse', timedelta(minutes=2, seconds=12))
>>> print(a1[9].titol, a1[9].durada)
Eclipse 0:02:12

>>> print(a1.durada())
0:43:00

--fi-enunciat