input: def autocomplete(input_text: str) -> list:
      """ Generate an autocomplete system that predicts words based on the input text.
      >>> autocomplete("hel")
      ['hello', 'help', 'helper', 'helium', 'helmet']
      >>> autocomplete("auto")
      ['automatic', 'automation', 'autonomous', 'automobile', 'autograph']
      """
output:     words = ['hello', 'help', 'helper', 'helium', 'helmet', 'automatic', 'automation', 'autonomous', 'automobile', 'autograph']
      return [word for word in words if word.startswith(input_text)]