Codecademy - Interacting w/ obj

let spaceship = {
  'Fuel Type' : 'Turbo Fuel',
  homePlanet : 'Earth',
  color: 'silver',
  'Secret Mission' : 'Discover life outside of Earth.'
};

spaceship.color = 'glorious gold';
spaceship.numEngines = 7;
delete spaceship['Secret Mission'];