def a():
     tprint('a')
     time.sleep(0.5)
     if i[0] < 3:
         i[0] += 1
     else:
         clear_interval(b)
 def a():
     tprint('a')
     time.sleep(0.5)
     post_message('hi from w again!')
     if i[0] < 3:
         i[0] += 1
     else:
         clear_interval(b)