Python, copying a rank 2 list structure with different values

Using python 3.6

Say I had this dictionary and list structure of keys:

dictionary = {'a':1, 'b':2, 'c':3, 'd':4, 'e':5}

keys = [['a','b'], ['c','d','e']]

Whats the best way to get this?

values = [[1, 2], [3, 4, 5]]

Thanks!