diff --git a/homework/hackyourtemperature/app.js b/homework/hackyourtemperature/app.js
new file mode 100644
index 000000000..381644c1c
--- /dev/null
+++ b/homework/hackyourtemperature/app.js
@@ -0,0 +1,37 @@
+import fetch from 'node-fetch';
+import  express  from 'express';
+import bodyParser from 'body-parser';
+import keys from "./sources/keys.js";
+
+const app = express();
+
+
+app.use(bodyParser.json());
+
+app.get('/',  (req, res) => {
+  res.send("<h1>Hello from backend to frontend!</h1>");
+  res.end();
+})
+
+app.post('/weather' , async(req , res) => {
+  try{
+    const city = req.body.cityName;
+    if(!city){
+      throw new Error("city name is missing");
+    }
+
+  const response = await fetch(`https://api.openweathermap.org/data/2.5/weather?q=${city}&APPID=${keys.API_KEY}`);
+  const data = await response.json();
+  if(!data){
+  res.send({ weatherText: "City is not found!" });
+  }
+  const temperature = data.main.temp;
+  res.send({ weatherText: `The temperature in ${city} is:${temperature}!.` });
+  }catch(error) {
+    res.status(400).json({error : error.message});
+  };
+});
+
+
+
+export default app;
diff --git a/homework/hackyourtemperature/babel.config.cjs b/homework/hackyourtemperature/babel.config.cjs
new file mode 100644
index 000000000..fbb629af6
--- /dev/null
+++ b/homework/hackyourtemperature/babel.config.cjs
@@ -0,0 +1,13 @@
+module.exports = {
+  presets: [
+    [
+      // This is a configuration, here we are telling babel what configuration to use
+      "@babel/preset-env",
+      {
+        targets: {
+          node: "current",
+        },
+      },
+    ],
+  ],
+};
diff --git a/homework/hackyourtemperature/jest.config.js b/homework/hackyourtemperature/jest.config.js
new file mode 100644
index 000000000..19ba9649e
--- /dev/null
+++ b/homework/hackyourtemperature/jest.config.js
@@ -0,0 +1,8 @@
+export default {
+  // Tells jest that any file that has 2 .'s in it and ends with either js or jsx should be run through the babel-jest transformer
+  transform: {
+    "^.+\\.jsx?$": "babel-jest",
+  },
+  // By default our `node_modules` folder is ignored by jest, this tells jest to transform those as well
+  transformIgnorePatterns: [],
+};
diff --git a/homework/hackyourtemperature/package.json b/homework/hackyourtemperature/package.json
new file mode 100644
index 000000000..de9d2fb82
--- /dev/null
+++ b/homework/hackyourtemperature/package.json
@@ -0,0 +1,26 @@
+{
+  "name": "hackyourtemperature",
+  "version": "1.0.0",
+  "description": "",
+  "main": "server.js",
+  "type": "module",
+  "scripts": {
+    "test": "jest",
+    "start": "node server.js"
+  },
+  "keywords": [],
+  "author": "",
+  "license": "ISC",
+  "dependencies": {
+    "body-parser": "^1.20.2",
+    "express": "^4.18.2",
+    "node-fetch": "^3.3.2",
+    "nodemon": "^3.0.1"
+  },
+  "devDependencies": {
+    "@babel/preset-env": "^7.22.10",
+    "babel-jest": "^29.6.2",
+    "jest": "^29.6.2",
+    "supertest": "^6.3.3"
+  }
+}
diff --git a/homework/hackyourtemperature/server.js b/homework/hackyourtemperature/server.js
new file mode 100644
index 000000000..fbd52a416
--- /dev/null
+++ b/homework/hackyourtemperature/server.js
@@ -0,0 +1,7 @@
+import app from "./app.js";
+
+const port = 3000;
+
+app.listen(port, ()=> {
+  console.log(`Server is running on port ${port}`);
+});
\ No newline at end of file
diff --git a/homework/hackyourtemperature/sources/keys.js b/homework/hackyourtemperature/sources/keys.js
new file mode 100644
index 000000000..f80cfab22
--- /dev/null
+++ b/homework/hackyourtemperature/sources/keys.js
@@ -0,0 +1,5 @@
+const keys = {
+  API_KEY : "1af1273248108446771541da5911dda3"
+}
+
+export default keys;
\ No newline at end of file
diff --git a/homework/hackyourtemperature/tests/app.test.js b/homework/hackyourtemperature/tests/app.test.js
new file mode 100644
index 000000000..f827d6fc1
--- /dev/null
+++ b/homework/hackyourtemperature/tests/app.test.js
@@ -0,0 +1,72 @@
+import app from "../app.js";
+import supertest from "supertest";
+
+const request = supertest(app);
+
+//Testing http get request
+describe("GET/", ()=> {
+it("Should send back a message 'Hello from backend to frontend'", (done)=> {
+  request.get('/')
+  .send('Hello from backend to frontend!')
+  .end(function(err, res) {
+    if (err) return done(err);
+    done();
+  });
+});
+
+it("Should send a status 200", (done)=> {
+  request.get('/')
+  .expect(200)
+  .end(function(err, res) {
+    if (err) return done(err);
+    done();
+  });
+});
+
+});
+
+//Testing http post request
+describe("POST/weather", ()=> {
+  it("Should send a status 200 in case of sending correct city name", (done)=> {
+    request.post('/weather')
+    .send({cityName:"London"})
+    .expect(200)
+    .end(function(err, res) {
+      if (err) return done(err);
+      done();
+    });
+  });
+
+  it("Should send /city name is missing/ in case of not sending a not proper city name", (done)=> {
+    request.post('/weather')
+    .send({})
+    .expect({error : "city name is missing"})
+    .end(function(err, res) {
+      if (err) return done(err);
+      done();
+    });
+  });
+
+  it("Should sent 400 if the city was not found", (done)=> {
+    request.post('/weather')
+    .send({cityName: "Londom"})
+    .expect(400)
+    .end(function(err, res) {
+      if (err) return done(err);
+      done();
+    });
+  });
+
+  it("Should sent a message contains the temperature information if the city was found", (done)=> {
+    request.post('/weather')
+    .send({cityName: "London"})
+    .expect((res) => {
+      expect(res.body.weatherText).toContain("The temperature in London is")
+    })
+    .end(function(err, res) {
+      if (err) return done(err);
+      done();
+    });
+  });
+
+  });
diff --git a/week2/prep-exercises/1-blog-API/my first blog b/week2/prep-exercises/1-blog-API/my first blog
new file mode 100644
index 000000000..afef39d4b
--- /dev/null
+++ b/week2/prep-exercises/1-blog-API/my first blog	
@@ -0,0 +1 @@
+the first blog is very beautiful
\ No newline at end of file
diff --git a/week2/prep-exercises/1-blog-API/package.json b/week2/prep-exercises/1-blog-API/package.json
index d89c4bd76..b8c797865 100644
--- a/week2/prep-exercises/1-blog-API/package.json
+++ b/week2/prep-exercises/1-blog-API/package.json
@@ -4,12 +4,17 @@
   "description": "",
   "main": "server.js",
   "scripts": {
-    "test": "echo \"Error: no test specified\" && exit 1",
+    "test": "jest",
     "start": "node server.js"
   },
   "author": "",
   "license": "ISC",
   "dependencies": {
-    "express": "^4.17.1"
+    "express": "^4.17.1",
+    "jest": "^29.6.2",
+    "nodemon": "^3.0.1"
+  },
+  "devDependencies": {
+    "supertest": "^6.3.3"
   }
 }
diff --git a/week2/prep-exercises/1-blog-API/server.js b/week2/prep-exercises/1-blog-API/server.js
index 3f615e8f5..430861ab0 100644
--- a/week2/prep-exercises/1-blog-API/server.js
+++ b/week2/prep-exercises/1-blog-API/server.js
@@ -1,10 +1,86 @@
 const express = require('express')
+const fs = require("fs");
 const app = express();
  
 
-// YOUR CODE GOES IN HERE
+app.use(express.json());
+
+//create a new post 
+app.post('/blogs', (req, res) => {
+  const {title, content} = req.body;
+  if(!title || !content) {
+    res.status(400).json({Error: "Either title or content are missing"});
+  }
+  fs.writeFileSync(title, content);
+  res.end('ok')
+})
+
+// update a post 
+app.put('/blogs/:title', (req, res) => {
+  const title = req.params.title;
+  const content = req.body.content;
+  if(!content) {
+    res.status(400).json({Error: " there is no content"});
+    return;
+  }
+  if (fs.existsSync(title)) {
+    fs.writeFileSync(title, content);
+    res.end('ok')
+  }
+  else {
+  
+    res.status(400).json({Error: "post was not found"});
+  }
+})
+
+
+//delete a post 
+
+app.delete('/blogs/:title', (req, res) => {
+  const title = req.params.title;
+  if (fs.existsSync(title)) { 
+    fs.unlinkSync(title);
+    res.end('ok');
+  } else {
+    res.status(400).json({Error: "the post doesn't exist"});
+  }
+})
+
+
+// read posts
+
+app.get('/blogs/:title', (req, res) => {
+
+ const title = req.params.title;
+ const content = req.body.content;
+  if(fs.existsSync(title)){
+  const post = fs.readFileSync(title, 'utf-8');
+
+  const response = {
+    title: title,
+    content: post
+  }
+  res.status(200).json(response);
+  }
+  else{
+    res.status(400).end("The post was not found");
+  }
+})
+
+app.get("/blogs", (req, res) => {
+  const files = [];
+  const fileNames = fs.readdirSync("/");
+  fileNames.forEach((fileName) => {
+    files.push({title: fileName});
+  })
+  res.status(200);
+  res.send(files);
+})
+
 app.get('/', function (req, res) {
   res.send('Hello World')
 })
  
-app.listen(3000)
\ No newline at end of file
+app.listen(3000)
+
+module.exports = app;
\ No newline at end of file
diff --git a/week2/prep-exercises/1-blog-API/server.spec.js b/week2/prep-exercises/1-blog-API/server.spec.js
new file mode 100644
index 000000000..f4cbd8fd1
--- /dev/null
+++ b/week2/prep-exercises/1-blog-API/server.spec.js
@@ -0,0 +1,17 @@
+import { describe } from "node:test";
+
+const request = require('supertest');
+const assert = require('assert');
+const express = require('express');
+const app = require("./server");
+
+describe('')
+request(app)
+  .get('/blogs')
+  .expect('Content-Type', /json/)
+  //.expect('Content-Length', '15')
+  .expect(200)
+  .end(function(err, res) {
+    if (err) throw err;
+  });
+