input: def rewrite_code_with_list_comprehension() -> list:
      """ Rewrite the following Python code by introducing list comprehensions.
      >>> rewrite_code_with_list_comprehension()
      [2, 4, 6, 8, 10, 12, 14, 16, 18, 20]
      """
      even_numbers = [i for i in range(1, 21) if i % 2 == 0]
      return even_numbers
output:     even_numbers = [i for i in range(1, 21) if i % 2 == 0]
      return even_numbers