text: import requests
  import datetime
  
  def create_time_string(seconds):
      hours = seconds // 3600
      minutes = (seconds % 3600) // 60
      return '{}h {}min'.format(hours, minutes) if minutes != 0 else '{}h'.format(hours)
  
  def find_flight(location_from, location_to, date_from, date_to = None, num_adults = 1, num_children = 0, round=True):
      """Returns list of flights with given parameters
  
      Args:
          location_from (str): IATA code of departing airport
          location_to (str): IATA code of arriving airport
          date_from (str): date of departing format: DD/MM/YYYY
          date_to (str): date of arriving format: DD/MM/YYYY
          num_adults (int): number of adults traveling
          num_children (int): number of children traveling
  
  
      Returns:
          list: a list of dictionaries containing airlines, link and price
      """
      url = 'https://kiwicom-prod.apigee.net/v2/search'
      params = {
          'apikey' : 'sUjIKIVbdlm8cseNdWGsxUAVCBs47Mjh',
          'fly_from' : location_from,
          'fly_to' : location_to,
          'date_from' : date_from,
          'date_to' : date_from,
          'return_from' : date_to,
          'return_to' : date_to,
          'adults' : num_adults,
          'children' : num_children,
          'select_airlines' : 'LH,JU,TK,AF,TP',
          'max_stopovers': 2,
          'flight_type': 'round' if round else 'oneway'
      }
  
      response = requests.get(url, params = params)
      json_response = response.json()
  
      result = []
      data = json_response['data']
  
      for option in data[:10]:
          price = option['conversion']
          link = option['deep_link']
  
          airlinesFrom = []
          airlinesReturn = []
  
          route = option['route']
          for flight in route:
              if flight['return'] == 0:
                  airlinesFrom.append(flight['airline'])
              else:
                  airlinesReturn.append(flight['airline'])
  
          duration_from = create_time_string(option['duration']['departure'])
          duration_return = create_time_string(option['duration']['return'])
  
          result.append({'price' : price, 'link': link,
                         'airlines_from' : airlinesFrom, 'airlines_return' : airlinesReturn,
                         'duration_from' : duration_from,
                         'duration_return' : duration_return})
  
      return result
  
  if __name__ == '__main__':
      print(find_flight('BEG', 'TXL', '10/11/2019', num_adults=2, round=False))
      print(find_flight('BEG', 'TXL','10/11/2019', '12/11/2019', num_adults=2, round=True))
  