text: from expression import *
  
  def ff():
      changeDegree([3],[60])
      changeDegree([7],[140])
      time.sleep(0.5)
      #shake
      for i in range(0,5):    
          if i&1:
              changeDegree([7],[155])
          else:
              changeDegree([7],[125])
          time.sleep(0.2)
      changeDegree([7],[140])
      time.sleep(1)
      #down
      changeDegree([7],[180])
      changeDegree([3],[0])
  
  def f():
      say('Hello I am robot Blueberry')
  
  
  
  
  if __name__ == '__main__':
      t1 = Thread(target=f)
      t2 = Thread(target=ff)
  
      t1.start()
      t2.start()
      
  