[Python] Counting how many values were attributed to a key an a python (3.2) dictionary

I am sure this is silly, but I simply cannot get around it. I have a dictionary, like this, with unequal number of values for each key:

'John greased ': ['axle', 'wheel', 'wheels', 'wheel', 'engine', ''],
'Paul alleged ': ['truth', 'crime', 'facts', 'infidelity', 'incident', ''],
'Tracy freed ': ['animals', 'fish', 'slaves', 'slaves', 'slaves', 'pizza'],
'Lisa plowed ': ['field', 'field', '', '', '', ''],


I want to know how many values there are for each key, not each unique value but how many tokens there are per key, repeated or not. So I would have a result like:

John greased 5
Paul alleged 5
Tracy freed 6
Lisa plowed 2


I was trying to use this to work it out using the code bellow:

for key, value in sorted(result.items()):
print(key, len(value))


But because of the missing values all the lengths turn out to be the same. Any ideas on how to solve this or where to find it out? Thanks a lot for any help.

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