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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(self, resource):
 """Create a new package. :param resource: :class:`packages.Package <packages.Package>` object :return: :class:`packages.Package <packages.Package>` object :rtype: packages.Package """

        schema = PackageSchema(exclude=('id', 'created', 'updated', 'test_count', 'agent_id', 'result_id'))
        json = self.service.encode(schema, resource)

        schema = PackageSchema()
        resp = self.service.create(self.base, json)
        return self.service.decode(schema, resp)