input: Write a function to extract the non-vowel words from a given sentence. The function should split the sentence into words and then filter out any words that contain vowels. Return a list of words that do not contain any vowels.
  assert extract_words("This machine learning project is challenging.")==[]
  assert extract_words("Rhythm blck whls nd htxt")==['Rhythm', 'blck', 'whls', 'nd', 'htxt']
  assert extract_words("")==[]
  assert extract_words("Sky Hybrd cnsltncy")==['Sky', 'Hybrd', 'cnsltncy']
  assert extract_words("My CV application")==['CV', 'application']
output: def extract_words(sentence):
      vowels = "aeiouAEIOU"
      return [word for word in sentence.split() if not any(char in vowels for char in word)]