input: 
  from typing import List
  
  
  def multiply_and_print(arr: List[int]) -> None:
      """ Convert a given list of integers in JavaScript (like in the example provided) and convert it 
      into a Python code that performs the same operation, which is multiplying each element in the 
      list by 2 and printing the result.
      >>> multiply_and_print([1, 2, 3, 4, 5])
      2
      4
      6
      8
      10
      """
  
      for item in arr:
          print(item * 2)
  
output:     for item in arr:
          print(item * 2)