Copilot third commit

Author: raju-a

comments.js

@@ -0,0 +1,42 @@
+// Create web server
+
+// Import modules   
+const express = require('express');
+const bodyParser = require('body-parser');
+const fs = require('fs');
+
+// Create web server
+const app = express();
+
+// Parse POST data
+app.use(bodyParser.json());
+
+// Read the comments.json file
+function readComments() {
+    const comments = fs.readFileSync('comments.json', 'utf8');
+    return JSON.parse(comments);
+}
+
+// Write the comments.json file
+function writeComments(comments) {
+    fs.writeFileSync('comments.json', JSON.stringify(comments, null, 4));
+}
+
+// Get comments
+app.get('/comments', (req, res) => {
+    const comments = readComments();
+    res.json(comments);
+});
+
+// Post comments
+app.post('/comments', (req, res) => {
+    const comments = readComments();
+    comments.push(req.body);
+    writeComments(comments);
+    res.json(comments);
+});
+
+// Start server
+app.listen(3000, () => {
+    console.log('Server is listening at http://localhost:3000');
+});