problem with sorting

[ankitks.mital at gmail.com]

>>> dict = {'M':3, 'R':0, 'S':2}
>>> print dict
{'S': 2, 'R': 0, 'M': 3}

now if I wanted sorted values in list, i am not able to do this
>>> print dict.values().sort()
None

it returns None instead of [0, 2, 3]