input: 
  def even_numbers_list_comprehension() -> list:
      """ Given the input code which generates a list of even numbers from range 1 to 20,
      rewrite it using a list comprehension.
      >>> even_numbers_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