text: import serial
  import subprocess
  import os
  path = os.getcwd()
  
  arduino = serial.Serial('COM3', 9600, timeout=.1)
  #print(path)
  while True:
      data = arduino.readline()[:-2]
      if data:
          data = (str(data.decode()))
          #print(data)
          if data == "vertical":
              print('vertical')
              proc = subprocess.Popen('{}\\display -device 2 -rotate 90'.format(path), stdin = subprocess.PIPE, stdout = subprocess.PIPE)
          else:
              print('horizontal')
              proc = subprocess.Popen('{}\\display -device 2 -rotate 0'.format(path), stdin = subprocess.PIPE, stdout = subprocess.PIPE)
                  
                  