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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 list(self, service_rec=None, host_rec=None, hostfilter=None):
 """ List a specific service or all services :param service_rec: t_services.id :param host_rec: t_hosts.id :param hostfilter: Valid hostfilter or None :return: [(svc.t_services.id, svc.t_services.f_hosts_id, svc.t_hosts.f_ipaddr, svc.t_hosts.f_hostname, svc.t_services.f_proto, svc.t_services.f_number, svc.t_services.f_status, svc.t_services.f_name, """

        return self.send.service_list(service_rec, host_rec, hostfilter)