def primer(self):
        """Primer representing the state of the internal index.

        The index can be retrieved as a primer, useful for initializing
        another processor in the same starting state as the current one."""
        index = self.__index
        index.append(None)
        index.pop()
        return Primer(bytes(map(self.__from.__getitem__, index)))
Primer representing the state of the internal index.

        The index can be retrieved as a primer, useful for initializing
        another processor in the same starting state as the current one.
recipes/Python/578075_Markov_Encryption_Module/recipe-578075.py