It seems like Raspbian Wheezy does not support Python 3.3, only 3.2.
Can I run Python 3.3+ on Raspbian Jessie?
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Sign up to join this communityA quick google for 'raspbian jessie python version' gets me to this page which clearly states:
Python 3.4 support
Python 3.4 is the default and only Python 3 version in Jessie
So your answer is YES