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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 filter_service_by_hostgroup_name(group):
 """Filter for service Filter on hostgroup :param group: hostgroup to filter :type group: str :return: Filter :rtype: bool """


    def inner_filter(items):
        """Inner filter for service. Accept if hostgroup in service.host.hostgroups"""
        service = items["service"]
        host = items["hosts"][service.host]
        if service is None or host is None:
            return False
        return group in [items["hostgroups"][g].hostgroup_name for g in host.hostgroups]

    return inner_filter