diff --git a/index.js b/index.js
index 759ece5..05a1673 100644
--- a/index.js
+++ b/index.js
@@ -8,6 +8,23 @@ if(!fs.existsSync(filePath)){
     fs.writeFileSync(filePath, JSON.stringify([]))
 }
 
+function loadNotes(){
+    return JSON.parse(fs.readFileSync(filePath, "utf-8"));
+}
+
+function saveNotes(notes){
+    fs.writeFileSync(filePath, JSON.stringify(notes, null, 2));
+}
+
+function generateId(notes){
+    if(notes.length === 0){
+        return 1;
+    }
+
+    //find the max id and add 1 with it
+    return Math.max(...notes.map(note => note.id)) + 1;
+}
+
 const readline = rl.createInterface({
     input : process.stdin,
     output : process.stdout
@@ -16,23 +33,74 @@ const readline = rl.createInterface({
 function addNote (note){
     const notes = JSON.parse(fs.readFileSync(filePath, "utf-8"));
 
-    let id;
+    // let id;
 
-    if(notes.length === 0){
-        id="1";
-    }else{
-        id = `${notes.length + 1}`;
-    }
+    // if(notes.length === 0){
+    //     id="1";
+    // }else{
+    //     id = `${notes.length + 1}`;
+    // }
 
     const newNote = {
-        id : id,
+        id : generateId(notes),
         note,
         createdAt : new Date().toISOString(),
         updatedAt : null
     }
     notes.push(newNote)   
-    fs.writeFileSync(filePath, JSON.stringify(notes, null, 2))
-    console.log("Note added successfully");
+    saveNotes(notes)
+    console.log("✅ Note added successfully");
+}
+
+function listNotes() {
+  const notes = loadNotes();
+  if (notes.length === 0) {
+    console.log("No notes found.\n");
+    return;
+  }
+  notes.forEach((note) => {
+    console.log(
+      `ID No: ${note.id} : ${note.note} (Created: ${note.createdAt}${
+        note.updatedAt ? ` | Updated: ${note.updatedAt}` : ""
+      })`
+    );
+  });
+  console.log("");
+}
+
+function getNote(id) {
+  const notes = loadNotes();
+  const note = notes.find((n) => n.id === Number(id));
+  if (!note) {
+    console.log("❌ Note not found\n");
+    return;
+  }
+  console.log(note, "\n");
+}
+
+function updateNote(id, newNoteMessage) {
+  const notes = loadNotes();
+  const note = notes.find((n) => n.id === id);
+  if (!note) {
+    console.log("❌ Note not found\n");
+    return;
+  }
+  note.note = newNoteMessage;
+  note.updatedAt = new Date().toISOString();
+  saveNotes(notes);
+  console.log("✏️ Note updated successfully!\n");
+}
+
+function deleteNote(id) {
+  let notes = loadNotes();
+  let initialLength = notes.length;
+  notes = notes.filter((n) => n.id !== id);
+  if (notes.length === initialLength) {
+    console.log("❌ Note not found\n");
+    return;
+  }
+  saveNotes(notes);
+  console.log("🗑️ Note deleted successfully!\n");
 }
 
 function showMenu(){
@@ -46,26 +114,44 @@ function showMenu(){
         `)
 
         readline.question("Select an option:", (choice)=> {
-            switch (choice){
-                case "1" :
-                    readline.question("Please write your note: ", (note)=>{     
-                        addNote(note)
-                        showMenu();
-                     });
-                     break;
-
-                case "2" : 
-                     const notes = JSON.parse(
-                       fs.readFileSync(filePath, "utf-8")
-                     );
-                     console.log(notes);
-                     break;
-                case "6":
-                    readline.close();
-                    break; 
-                default: 
-                    console.log("Invalid Option. Try Again...");
-                    showMenu()
+            switch (choice.trim()) {
+              case "1":
+                readline.question("Please write your note: ", (note) => {
+                  addNote(note);
+                  showMenu();
+                });
+                break;
+
+              case "2":
+                listNotes();
+                showMenu();
+                break;
+              case "3":
+                readline.question("Enter note ID: ", (id) => {
+                  getNote(id.trim());
+                  showMenu();
+                });
+                break;
+              case "4":
+                readline.question("Enter note ID to update: ", (id) => {
+                  readline.question("Enter new text: ", (newNoteMessage) => {
+                    updateNote(id.trim(), newNoteMessage);
+                    showMenu();
+                  });
+                });
+                break;
+              case "5":
+                readline.question("Enter note ID to delete: ", (id) => {
+                  deleteNote(id.trim());
+                  showMenu();
+                });
+                break;
+              case "6":
+                readline.close();
+                break;
+              default:
+                console.log("Invalid Option. Try Again...");
+                showMenu();
             }
         } )
 }
diff --git a/notes.json b/notes.json
index b43dfc6..cfdd2e6 100644
--- a/notes.json
+++ b/notes.json
@@ -23,22 +23,28 @@
     "createdAt": "2025-10-03T17:21:33.645Z",
     "updatedAt": null
   },
-  {
-    "id": "5",
-    "note": "nextjs",
-    "createdAt": "2025-10-03T17:22:40.605Z",
-    "updatedAt": null
-  },
   {
     "id": "6",
-    "note": "golang",
+    "note": "golang gopher",
     "createdAt": "2025-10-03T17:24:37.729Z",
-    "updatedAt": null
+    "updatedAt": "2025-10-04T09:23:09.200Z"
   },
   {
     "id": "7",
     "note": "postgres",
     "createdAt": "2025-10-03T17:25:41.635Z",
     "updatedAt": null
+  },
+  {
+    "id": 8,
+    "note": "hello",
+    "createdAt": "2025-10-04T09:19:15.749Z",
+    "updatedAt": null
+  },
+  {
+    "id": 9,
+    "note": "efawefa",
+    "createdAt": "2025-10-04T09:22:38.564Z",
+    "updatedAt": null
   }
 ]
\ No newline at end of file