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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 create_parameter_group(self, name, engine='MySQL5.1', description=''):
 """ Create a new dbparameter group for your account. :type name: string :param name: The name of the new dbparameter group :type engine: str :param engine: Name of database engine. :type description: string :param description: The description of the new security group :rtype: :class:`boto.rds.dbsecuritygroup.DBSecurityGroup` :return: The newly created DBSecurityGroup """

        params = {'DBParameterGroupName': name,
                  'DBParameterGroupFamily': engine,
                  'Description' : description}
        return self.get_object('CreateDBParameterGroup', params, ParameterGroup)