input: def printArrayReverse(arr):
      """
      This function takes a Python array and prints it from the end to the beginning.
      
      Example:
      >>> arr = [1, 2, 3, 4, 5]
      >>> printArrayReverse(arr)
      5 4 3 2 1 
      """
output:     for i in range(len(arr) - 1, -1, -1):
          print(arr[i], end=' ')