How do I serialize a Python dictionary into a string, and then back to a dictionary?

Question

How do I serialize a Python dictionary into a string, and then back to a dictionary? The dictionary will have lists and other dictionaries inside it.

Answer 1

pyyaml should also be mentioned here. It is both human readable and can serialize any python object.
pyyaml is hosted here:
https://bitbucket.org/xi/pyyaml