text: import React, { Component } from 'react';
  import Header from './components/Header/Header';
  import LineChart from './components/LineChart/LineChart';
  
  class App extends Component {
    state = {
      country: "WORLD",
    }
  
    handleChange = (event) => 
      this.setState({
        country: event.target.value
      })
    
    render() {
      return (
        <div className="app">
          <Header handleChange={ this.handleChange }/>
          <LineChart country={ this.state.country } />
        </div>
      );
    }
  }
  
  export default App;
  