new_contents: '''
  Finds the cheapest fares filed to a given city
  
  Example:
      python cheapest-destinations.py YTO
  
  Result:
      FLL 165.62
      MCO 165.62
      JFK 172.36
      LGA 191.12
  '''
  
  import datetime
  import json
  import sys
  
  sys.path.append('..')
  import sabre_dev_studio
  import sabre_dev_studio.sabre_exceptions as sabre_exceptions
  
  '''
  requires config.json in the same directory for api authentication
  
  {
  	"sabre_client_id": -----,
  	"sabre_client_secret": -----
  }
  
  '''
  
  def read_config():
      raw_data = open('config.json').read()
  
      data = json.loads(raw_data)
  
      client_secret = data['sabre_client_secret']
      client_id = data['sabre_client_id']
  
      return (client_id, client_secret)
  
  def set_up_client():
      # Read from config
      client_id, client_secret = read_config()
      sds = sabre_dev_studio.SabreDevStudio()
      sds.set_credentials(client_id, client_secret)
      sds.authenticate()
      return sds
  
  def main():
      if (len(sys.argv) < 2):
          print('Please specify IATA city or airport code as a command-line argument')
      elif (len(sys.argv[1]) != 3):
          print('IATA city or airport code must be 3 letters long')
      else:
          client = set_up_client()
          city = sys.argv[1]
          resp = client.flights_to(city)
  
          data = resp[0]
          for city in data:
              print(city.origin_location + '\t' + str(city.lowest_fare.fare))
  
  if __name__ == '__main__':
      main()
  
subject: Add first example: cheapest destinations