Python: An elegant way to delete empty lists from Python dictionary

Question

I have a dictionary as:

default = {\'a\': [\'alpha\'], \'b\': [\'beta\',\'gamma\'], \'g\': []}

I wish to eliminate the empty values as:

Answer 1

dict((k, v) for k, v in default.iteritems() if v)

This filters all items which are not empty strings, empty dict/tuple/list.