parameters: (self, time_step)
docstring: Perform update to learning rate and potentially other states at the
          end of an iteration
docstring_summary: Perform update to learning rate and potentially other states at the
          end of an iteration
docstring_tokens: Perform update to learning rate and potentially other states at the end of an iteration
function: def iteration_ends(self, time_step):
          """Perform update to learning rate and potentially other states at the
          end of an iteration
          """
          pass
function_tokens: def iteration_ends ( self , time_step ) : pass