def METHOD_NAME(data):
    HostFeaturesData = HostFeatures.FEATURE_ANY
    if not (type(data) is list):
        sys.exit("Features value must be list of features")
    for data_key in data:
        data_key = data_key.upper()
        if not (data_key in HostFeaturesLookup):
            sys.exit("Invalid host feature")
        HostFeaturesData |= HostFeaturesLookup[data_key]
    return HostFeaturesData