text: import React from 'react';
  import TodoList from './components/TodoList';
  import TodoForm from './components/TodoForm';
  import Filter from './components/Filter';
  
  class TodoApp extends React.Component {
    render() {
      return (
        <div>
          <h3>TODO</h3>
          <TodoList />
          <TodoForm />
          <Filter />
        </div>
      );
    }
  }
  
  export default TodoApp;