text: import React from 'react';
  import { createAppContainer } from 'react-navigation';
  import { createStackNavigator } from 'react-navigation-stack';
  import Game from "./Game";
  import welcome from "./Home"
  import Result from "./Result"
  
  const RootStack = createStackNavigator(
      {
          Home: welcome,
          Game: Game,
          Result: Result,
      },
      {
          initialRouteName: 'Home',
      }
  );
  
  const AppContainer = createAppContainer(RootStack);
  
  export default class App extends React.Component {
      render() {
          return <AppContainer />;
      }
  }