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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def to_fp(self, file_pointer, comments=None):
 """ The method can be used to save a CNF+ formula into a file pointer. The file pointer is expected as an argument. Additionally, supplementary comment lines can be specified in the ``comments`` parameter. :param fname: a file name where to store the formula. :param comments: additional comments to put in the file. :type fname: str :type comments: list(str) Example: .. code-block:: python """


        # saving formula's internal comments
        for c in self.comments:
            print(c, file=file_pointer)

        # saving externally specified comments
        if comments:
            for c in comments:
                print(c, file=file_pointer)

        ftype = 'cnf+' if self.atmosts else 'cnf'
        print('p', ftype, self.nv, len(self.clauses) + len(self.atmosts),
                file=file_pointer)

        for cl in self.clauses:
            print(' '.join(str(l) for l in cl), '0', file=file_pointer)

        for am in self.atmosts:
            print(' '.join(str(l) for l in am[0]), '<=', am[1], file=file_pointer)