Generate string_length random strings that belong to the automaton.
        Args:
            string_length (integer): The size of the random string
        Returns:
            str: The generated string

def random_strings(self, string_length=1):
        """
        Generate string_length random strings that belong to the automaton.
        Args:
            string_length (integer): The size of the random string
        Returns:
            str: The generated string
        """
        str_list = []
        for path in self.uniform_generate(string_length):
            str_list.append(self._path_to_str(path))
        return str_list