content: import React, { Component } from 'react';
  import { Provider } from 'react-redux';
  
  import DevTools from './DevTools';
  import FriendListApp from './FriendListApp';
  
  
  export default class App extends Component {
      render() {
          const { store } = this.props;
          return (
              <Provider store={store}>
                  <div>
                      <FriendListApp />
                      <DevTools />
                  </div>
              </Provider>
          );
      }
  }