text: function Place() {
      
  }
  
  Place.prototype.airportCode = function(code) {
      console.log('Airport code is: ' + code);
  }
  
  
  function City(cityName) {
      this.name = cityName;
  }
  
  City.prototype.railwayStateCode = function(code) {
      console.log('Railway station code is: ' + code);
  }
  
  City.prototype = Object.create(Place.prototype);
  const vijayawada = new City('Vijayawada');
  vijayawada.airportCode('VGA');
  vijayawada.railwayStateCode('BZA');
  
  