text: import re
  import serial
  import time
  
  WORDS=['WALK']
  
  def walk():
      connect = serial.Serial('/dev/ttyACM0',9600)
      time.sleep(0.5)
      connect.write('|A|W|350 ')
  
  def handle(text,mic,profile):
      mic.say("roger that")
      walk()
  
  def isValid(text):
       return bool(re.search(r'\walk\b',text,re.IGNORECASE))
  