input: Write a function to extract every other word from a string.
  assert everyOtherWord("This is a sentence for demonstration.") == ["This", "a", "for"]
  assert everyOtherWord("Python programming is fun and educational") == ["Python", "is", "and"]
  assert everyOtherWord("The quick brown fox jumps over the lazy dog") == ["The", "brown", "jumps", "the", "dog"]
output: def everyOtherWord(s):
      words = s.split()
      return words[::2]