input: Write a function to identify the words that contain more than one vowel in a given sentence. The function should return a list of such words. If no such word exists, return an empty list.
  assert has_multiple_vowels("The quick brown fox jumped over the lazy dog.")==['quick', 'brown', 'jumped', 'over', 'lazy']
  assert has_multiple_vowels("Sky is blue.")==[]
  assert has_multiple_vowels("Banana is yellow.")==['Banana', 'yellow']
  assert has_multiple_vowels("Python is fun.")==[]
  assert has_multiple_vowels("")==[]
output: def has_multiple_vowels(sentence):
      vowels = "aeiouAEIOU"
      result = []
      for word in sentence.split():
          vowel_count = sum(1 for char in word if char in vowels)
          if vowel_count > 1:
              result.append(word)
      return result