kivy python

#-*- coding: utf-8 -*-

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

class TestApp(App):
    def build(self):
        return Label(text='Hello World')

TestApp().run()

from kivy.app import App
from kivy.uix.button import Button

class TestApp(App):
    def build(self):
        return Button(text='My Name is Vivek')

TestApp().run()