input: Write a python function to combine two lists into a dictionary.
  assert combine_lists_to_dict([1, 2, 3], ["one", "two", "three"]) == {1: 'one', 2: 'two', 3: 'three'}
  assert combine_lists_to_dict(['a', 'b', 'c'], [1, 2, 3]) == {'a': 1, 'b': 2, 'c': 3}
  assert combine_lists_to_dict([], []) == {}
output: def combine_lists_to_dict(keys, values):
      return dict(zip(keys, values))