text: def multiply_2_pure(numbers):
      new_numbers = []
      for n in numbers:
          new_numbers.append(n * 2)
      return new_numbers
  
  original_numbers = [1, 3, 5, 10]
  changed_numbers = multiply_2_pure(original_numbers)
  print(original_numbers) # [1, 3, 5, 10]
  print(changed_numbers)  # [2, 6, 10, 20]
  