input: 
  def autocomplete(input_text):
      """
      Develop a Python program to create an autocomplete system that predicts words based on the input text.
      >>> autocomplete("hel")
      ['hello', 'help', 'helmet', 'hell', 'helm']
      >>> autocomplete("ca")
      ['car', 'cat', 'camera', 'card', 'case']
      """
      # Generate the word candidates
      word_candidates = generate_candidates(input_text)
      # Filter the word candidates 
      filtered_words = filter_candidates(word_candidates)
      # Rank the words and return the top 5 
      sorted_words = rank_words(filtered_words)
      return sorted_words[:5]
  
output:     def generate_candidates(input_text):
          # Placeholder function to generate word candidates
          return ['hello', 'help', 'helmet', 'hell', 'helm', 'car', 'cat', 'camera', 'card', 'case']
  
      def filter_candidates(word_candidates):
          # Placeholder function to filter word candidates
          return word_candidates
  
      def rank_words(filtered_words):
          # Placeholder function to rank words
          return sorted(filtered_words)