gistfile1.txt

import kivy
from kivy.clock import Clock
from kivy.uix.label import Label
from kivy.app import App

class newlabel(Label):
    def __init__(self, **kwargs):
        super(newlabel, self).__init__(**kwargs)
        self.markup = True
        self.counter=0
        self.words = self.text.split(' ')

    def example(self, *args):
        self.counter += 1
        print self.counter
        words = self.text.split(' ')
        if len(self.words) >= self.counter:
            self.text = ''
        #anim = Animation(size_hint=(1, .27), duration=1.7)
        #anim.start(view)

newmessage = newlabel(text = "this is a test hello")
Clock.schedule_interval(newmessage.example, 3)

class TestApp(App):
   
   def build(self):
        pass

if __name__ == '__main__':
    TestApp().run()