input: Write a python function to extract upcoming movie titles and their release dates from the given API response.
  assert get_upcoming_movies(data) == (['Movie1', 'Movie2'], ['2023-10-01', '2023-10-05'])
  assert get_upcoming_movies({'results': [{'title': 'MovieA', 'release_date': '2023-11-10'}]}) == (['MovieA'], ['2023-11-10'])
  assert get_upcoming_movies({'results': []}) == ([], [])
output: def get_upcoming_movies(data):
      titles = []
      release_dates = []
      for movie in data.get('results', []):
          titles.append(movie.get('title'))
          release_dates.append(movie.get('release_date'))
      return (titles, release_dates)