input: 
  from typing import List
  
  def optimize_printing(numbers: List[int]) -> str:
      """
      Optimize the given program to print each number in the list on a new line.
      Instead of using a loop, use a more efficient method.
      
      >>> optimize_printing([1, 2, 3, 4, 5, 6])
      "numbers = [1, 2, 3, 4, 5, 6]\nprint(*numbers, sep='\\n')"
      
      >>> optimize_printing([10, 20, 30])
      "numbers = [10, 20, 30]\nprint(*numbers, sep='\\n')"
      """
  
output:     return f"numbers = {numbers}\nprint(*numbers, sep='\\n')"