i used as a challenge and then i deceded to work it so finally i did …

App.js

@@ -1,3 +1,60 @@
-const expense = [{id:1,description:"Food",amount:35}]
+const express = require("express");
+const app = express();
+const port = 4400;
+app.use(express.json());
+const data = [{ id: 1, description: "Food", amount: 35 }];
 
+// Get all tasks
+app.get("/task", (req, res) => {
+    res.status(200).json({ message: "Welcome to the home page", data: data });
+});
 
+// Create a new task
+app.post("/task", (req, res) => {
+    const id = data.length === 0 ? 1 : data[data.length - 1].id + 1;
+    const newTask = {
+        id: id,
+        description: req.body.description,
+        amount: req.body.amount
+    };
+
+    data.push(newTask);
+    res.status(200).json({ message: "Task created successfully!" });
+});
+
+// Get a single task
+app.get("/task/:id", (req, res) => {
+    const task = data.find(task => task.id == req.params.id);
+    if (task) {
+        res.status(200).json({ message: "Task found", task: task });
+    } else {
+        res.status(404).json({ message: "Task not found" });
+    }
+});
+
+// Update a task
+app.put("/task/:id", (req, res) => {
+    const task = data.find(task => task.id == req.params.id);
+    if (task) {
+        task.description = req.body.description;
+        task.amount = req.body.amount;
+        res.status(200).json({ message: "Task updated successfully!" });
+    } else {
+        res.status(404).json({ message: "Task not found" });
+    }
+});
+
+// Delete a task
+app.delete('/task/:id', (req, res) => {
+    const index = data.findIndex(task => task.id == req.params.id);
+    if (index !== -1) {
+        data.splice(index, 1);
+        res.status(200).json({ message: "Task deleted successfully!" });
+    } else {
+        res.status(404).json({ message: "Task not found" });
+    }
+});
+
+app.listen(port, () => {
+    console.log("Server is running on port 4400!");
+});