parameters: (self, state)
docstring: Returns a probability for each legal action in the given state.
docstring_summary: Returns a probability for each legal action in the given state.
docstring_tokens: Returns a probability for each legal action in the given state .
function: def prior(self, state):
      """Returns a probability for each legal action in the given state."""
      raise NotImplementedError
function_tokens: def prior ( self , state ) : raise NotImplementedError