input: 
  def autocomplete(input_text: str) -> List[str]:
      """ Generate a list of top 5 words that could complete the given input text.
      The function should generate word candidates, filter them based on some criteria,
      and then rank them to return the top 5 matches.
      >>> autocomplete("pro")
      ['program', 'project', 'professional', 'process', 'product']
      >>> autocomplete("app")
      ['apple', 'application', 'approve', 'apprentice', 'appear']
      """
  
output:     word_candidates = ["program", "project", "professional", "process", "product", "apple", "application", "approve", "apprentice", "appear"]
      filtered_words = [word for word in word_candidates if word.startswith(input_text)]
      sorted_words = sorted(filtered_words, key=lambda x: (-len(x), x))
      return sorted_words[:5]