diff --git a/calculator.js b/calculator.js
new file mode 100644
index 00000000..8e5cfd45
--- /dev/null
+++ b/calculator.js
@@ -0,0 +1,41 @@
+const readline = require('readline');
+
+const rl = readline.createInterface({
+    input: process.stdin,
+    output: process.stdout
+});
+
+function askQuestion(query) {
+    return new Promise(resolve => rl.question(query, resolve));
+}
+
+async function main() {
+    const num1 = parseFloat(await askQuestion('Enter the first number: '));
+    const num2 = parseFloat(await askQuestion('Enter the second number: '));
+    const operation = await askQuestion('Enter the operation (+, -, *, /): ');
+
+    let result;
+    switch (operation) {
+        case '+':
+            result = num1 + num2;
+            break;
+        case '-':
+            result = num1 - num2;
+            break;
+        case '*':
+            result = num1 * num2;
+            break;
+        case '/':
+            result = num1 / num2;
+            break;
+        default:
+            console.log('Invalid operation');
+            rl.close();
+            return;
+    }
+
+    console.log(`The result is: ${result}`);
+    rl.close();
+}
+
+main();
\ No newline at end of file
diff --git a/hello.py b/hello.py
new file mode 100644
index 00000000..4648e701
--- /dev/null
+++ b/hello.py
@@ -0,0 +1 @@
+print("Hello, World!")
\ No newline at end of file
diff --git a/weather_script.js b/weather_script.js
new file mode 100644
index 00000000..d1540ac0
--- /dev/null
+++ b/weather_script.js
@@ -0,0 +1,16 @@
+const fetch = require('node-fetch');
+
+const apiKey = '6d223ff34e90c880b05d4226788ba497';
+const city = 'London';
+const url = `https://api.openweathermap.org/data/2.5/weather?q=${city}&appid=${apiKey}`;
+
+fetch(url)
+    .then(response => response.json())
+    .then(data => {
+        console.log(`Weather in ${city}:`);
+        console.log(`Temperature: ${data.main.temp}K`);
+        console.log(`Weather: ${data.weather[0].description}`);
+    })
+    .catch(error => {
+        console.error('Error fetching weather data:', error);
+    });
\ No newline at end of file