import React, { Component } from 'react';
class App extends Component {  
  constructor(props) {
    super(props);
    this.state = {num:1}
  }
  changeNum(e){
    this.setState({num:e.target.value})
  }
  render() {     
    return (
      

      
      
{this.state.num}
      
    );
  }
}

export default App;