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expesiveHotel = rddHotels.filter( lambda row : row['discount'] > 300000 )
#전체를 다 가져오거나?# 참조객체접근
expesiveHotel.collect()
#특정 개수만 획득
expesiveHotel.take(5)


==> 데이터 예
[{'addrSummary': '강남 | 삼성역 도보 1분',
  'availableRooms': 5,
  'displayText': '서울 > 파크 하얏트 서울',
  'distance': 0.0,
  'districtName': '강남구',

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