def list_extractors(age_limit):
 return sorted(filter((lambda ie: ie.is_suitable(age_limit)), gen_extractors()), key=(lambda ie: ie.IE_NAME.lower()))

def list_extractors ( age_limit ) : return sorted ( filter ( ( lambda ie : ie . is_suitable ( age_limit ) ) , gen_extractors ( ) ) , key = ( lambda ie : ie . IE_NAME . lower ( ) ) )
return a list of extractors that are suitable for the given age .