serialize the ExmaraldaFile instance and write it to a file.

        Parameters
        ----------
        output_filepath : str
            relative or absolute path to the Exmaralda file to be created

def write(self, output_filepath):
        """
        serialize the ExmaraldaFile instance and write it to a file.

        Parameters
        ----------
        output_filepath : str
            relative or absolute path to the Exmaralda file to be created
        """
        with open(output_filepath, 'w') as out_file:
            out_file.write(self.__str__())