adding solution

react-updating-state-onl01-seng-pt-041320/src/components/ClickityClick.js

@@ -1 +1,30 @@
-// Code ClickityClick Component Here
+import React from "react";
+class ClickityClick extends React.Component {
+  constructor() {
+    super();
+    this.state = {
+      hansBeenClicked: false,
+      currentTheme: "blue",
+    };
+  }
+
+  handleClick = () => {
+    this.setState(
+      {
+        hansBeenClicked: true,
+      },
+      () => console.log(this.state.hansBeenClicked)
+    );
+  };
+
+  render() {
+    return (
+      <div>
+        <p>I have {this.state.hansBeenClicked ? null : "not"} been clicked!</p>
+        <button onClick={this.handleClick}>Click me!</button>
+      </div>
+    );
+  }
+}
+
+export default ClickityClick;

react-updating-state-onl01-seng-pt-041320/src/index.js

@@ -1,9 +1,6 @@
-import React from 'react';
-import ReactDOM from 'react-dom';
+import React from "react";
+import ReactDOM from "react-dom";
 
-ReactDOM.render(
-  <div>
-    Mount Components Here
-  </div>,
-  document.getElementById('root')
-);
+import ClickityClick from "./components/ClickityClick";
+
+ReactDOM.render(<ClickityClick />, document.getElementById("root"));