Write the constructed journal in to the provided file.

        Args:
            journal_file_path (str): full path to output journal file

def write_journal(self, journal_file_path):
        """Write the constructed journal in to the provided file.

        Args:
            journal_file_path (str): full path to output journal file
        """
        # TODO: assert the extension is txt and not other
        with open(journal_file_path, "w") as jrn_file:
            jrn_file.write(self._journal_contents)