Print representation of :class:`~ctfile.ctfile.CTfile`.

        :param str file_format: Format to use: ``ctfile`` or ``json``.
        :param f: Print to file or stdout.
        :type f: File-like 
        :return: None.
        :rtype: :py:obj:`None`.

def print_file(self, file_format='ctfile', f=sys.stdout):
        """Print representation of :class:`~ctfile.ctfile.CTfile`.

        :param str file_format: Format to use: ``ctfile`` or ``json``.
        :param f: Print to file or stdout.
        :type f: File-like 
        :return: None.
        :rtype: :py:obj:`None`.
        """
        print(self.writestr(file_format=file_format), file=f)