React and Redux - Manage State Locally First

Tell us what’s happening:
Describe your issue in detail here.

  **Your code so far**
class DisplayMessages extends React.Component {
constructor(props) {
  super(props);
  this.state = {
    input: '',
    messages: []
  }

// Add handleChange() and submitMessage() methods here
this.handleChange=this.handleChange.bind(this);
this.submitMessage=this.submitMessage.bind(this);
}
handleChange(event){
  this.setState({
    input: event.target.value,
    messages: this.state.messages
  });
}
 submitMessage() {
  this.setState({
    input: '',
    messages: this.state.messages.concat(this.state.input)
  });
}
render() {
  return (
    <div>
      <h2>Type in a new Message:</h2>
      { /* Render an input, button, and ul below this line */ }
      <input onChange={this.handleChange} value={this.state.input}></input>
      <button onClick={this.submitMessage}>Add message</button>
      <ul>
      <li></li>
      </ul>
      { /* Change code above this line */ }
    </div>
  );
}
};
  **Your browser information:**

User Agent is: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/104.0.0.0 Safari/537.36

Challenge: React and Redux - Manage State Locally First

Link to the challenge:

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