input: 
  def printArrayReverse(arr): 
      for i in range(len(arr) - 1, -1, -1): 
          print(arr[i], end = " ")
  
  """
  Example:
  >>> printArrayReverse([1, 2, 3, 4, 5])
  5 4 3 2 1 
  """
  
output:     if len(arr) == 0:
          return
      printArrayReverse(arr[1:])
      print(arr[0], end=" ")