Simple Coding Tutorials

🟨

JavaScript

Start with the world's most popular programming language. Perfect for websites and apps!

1

Your First JavaScript Program
2

Working with Variables
3

Simple Calculator

Lesson 1: Your First JavaScript Program

Let's start with the classic "Hello, World!" program:

console.log("Hello, World!");

This single line prints text to the screen. That's it! You've written your first program.

Quick Tip: console.log() is like talking to the computer - it shows your message on the screen!

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Lesson 2: Working with Variables

Variables store information. Think of them like labeled boxes:

let name = "John";
let age = 25;
console.log("Hi, I'm " + name + " and I'm " + age + " years old");

This creates two boxes: one for a name, one for age, then shows both!

Quick Tip: Change "John" to your name and see what happens!

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Lesson 3: Simple Calculator

Let's make a calculator that adds two numbers:

let firstNumber = 10;
let secondNumber = 5;
let result = firstNumber + secondNumber;
console.log(firstNumber + " + " + secondNumber + " = " + result);

You can change the numbers and try different operations like -, *, or /

Quick Tip: Try changing + to - or * to see different math operations!

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🐍

Python

Easy to read, powerful to use. Python is perfect for beginners and used by NASA, Google, and more!

1

Print Your First Message
2

Store Information in Variables
3

Make Decisions with If/Else

Lesson 1: Print Your First Message

Python makes it super simple to show text:

print("Welcome to Python programming!")

Just one line! Python is famous for being easy to read and write.

Quick Tip: Don't forget the quotes around your text - Python needs them!

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Lesson 2: Store Information in Variables

Variables in Python are super simple - no special words needed:

favorite_color = "blue"
lucky_number = 7
print(f"My favorite color is {favorite_color}")
print(f"My lucky number is {lucky_number}")

Python uses f-strings to easily put variables inside text!

Quick Tip: The f before the quotes makes it an f-string - it's like a template!

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Lesson 3: Make Decisions with If/Else

Let your program make choices based on conditions:

temperature = 75

if temperature > 80:
    print("It's hot outside! 🌞")
elif temperature > 60:
    print("Nice weather today! 😊")
else:
    print("Better wear a jacket! 🧥")

The program checks the temperature and gives different advice!

Quick Tip: Try changing the temperature number to see different messages!

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🌐

HTML

Build websites! HTML is the foundation of every webpage you've ever seen.

1

Create Your First Webpage
2

Add Headings and Text
3

Make a Simple About Me Page

Lesson 1: Create Your First Webpage

Every webpage starts with basic HTML structure:

<html>
<body>
    <h1>Welcome to My Website!</h1>
    <p>This is my first webpage.</p>
</body>
</html>

HTML uses tags (words in angle brackets) to structure content!

Quick Tip: Tags come in pairs - an opening tag and a closing tag with a /

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Lesson 2: Add Headings and Text

Use different heading sizes and paragraphs:

<html>
<body>
    <h1>Main Title</h1>
    <h2>Smaller Heading</h2>
    <h3>Even Smaller</h3>
    <p>This is a paragraph with normal text.</p>
    <p>This is another paragraph!</p>
</body>
</html>

HTML has 6 heading sizes (h1 to h6) and unlimited paragraphs!

Quick Tip: h1 is biggest, h6 is smallest. Use them to organize your content!

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Lesson 3: Make a Simple About Me Page

Create a personal webpage about yourself:

<html>
<body style="font-family: Arial; padding: 20px;">
    <h1>About Me</h1>
    <h2>Hi! I'm John</h2>
    <p>Welcome to my personal webpage!</p>
    
    <h3>My Hobbies</h3>
    <ul>
        <li>Playing guitar</li>
        <li>Reading books</li>
        <li>Learning to code</li>
    </ul>
    
    <p>Thanks for visiting!</p>
</body>
</html>

This creates a complete "About Me" page with styling and a list!

Quick Tip: Replace "John" with your name and change the hobbies to yours!

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🔷

PHP

Power websites with server-side programming. PHP runs on millions of websites including Facebook!

1

Your First PHP Script
2

Working with Variables
3

Simple Web Form

Lesson 1: Your First PHP Script

PHP code goes between special tags and can mix with HTML:

<?php
echo "Hello from PHP!";
echo "<br>";
echo "Today's date is: " . date('Y-m-d');
?>

PHP starts with <?php and uses echo to display text. It can show the current date!

Quick Tip: The . (dot) in PHP connects text together, like + in other languages!

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Lesson 2: Working with Variables

PHP variables start with $ sign and are very flexible:

<?php
$name = "Sarah";
$age = 28;
$city = "New York";

echo "Hi! My name is $name<br>";
echo "I am $age years old<br>";
echo "I live in $city<br>";

$years_in_10 = $age + 10;
echo "In 10 years, I'll be $years_in_10!";
?>

PHP can put variables directly into text and do math easily!

Quick Tip: You can put PHP variables right inside quotes - super convenient!

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Lesson 3: Simple Web Form

Create a simple form that responds when submitted:

<html>
<body>
    <h2>Tell Me About Yourself</h2>
    
    <form method="post">
        Name: <input type="text" name="username"><br><br>
        <input type="submit" value="Submit">
    </form>
    
    <?php
    if(isset($_POST['username'])) {
        $user = $_POST['username'];
        echo "<h3>Hello, $user! Nice to meet you!</h3>";
    }
    ?>
</body>
</html>

This creates a form that greets the user by name when they submit it!

Quick Tip: PHP can receive data from web forms using $_POST - very powerful!

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🟦

C#

Microsoft's powerful language for enterprise apps, games, and web development. Used at thousands of companies worldwide.

1

Your First C# Program

Lesson 1: Your First C# Program

C# is Microsoft's modern programming language. Let's start with a simple "Hello World":

Console.WriteLine("Hello from C#!");
Console.WriteLine("Welcome to enterprise development!");

Console.WriteLine() prints text and moves to the next line automatically!

Quick Tip: C# is perfect for building Windows apps, web services, and games!

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🗃️

SQL

Master databases and data analysis. Essential skill for any developer - SQL is used everywhere!

1

Your First SQL Query

Lesson 1: Your First SQL Query

SQL lets you talk to databases. Let's get information from our sample database:

SELECT name, age FROM users;
SELECT * FROM orders WHERE amount > 500;

This shows all users and their ages, then shows expensive orders over $500!

Quick Tip: Our demo database has users and orders tables ready to explore!

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💎

Ruby

Beautiful, readable code that's fun to write. Ruby powers GitHub, Shopify, and thousands of web apps.

1

Hello Ruby World

Lesson 1: Hello Ruby World

Ruby is designed to be fun and productive. Let's start with some friendly code:

puts "Hello, Ruby world!"
puts "Ruby makes programming enjoyable!"

Ruby's puts command is friendly and easy to remember!

Quick Tip: Ruby was created to make programmers happy - and it shows!

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🦉

Swift

Build iPhone and iPad apps with Apple's modern language. Clean, fast, and perfect for mobile development.

1

Swift Playground

Lesson 1: Swift Playground

Swift is Apple's language for iOS development. Let's try some Swift code:

print("Hello from Swift!")
print("Building the future of mobile apps!")

Swift's print() function displays messages in your app or playground!

Quick Tip: Swift is used to build all your favorite iPhone and iPad apps!

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🤖

Kotlin

Google's preferred language for Android apps. Modern, safe, and 100% compatible with Java.

1

Kotlin Basics

Lesson 1: Kotlin Basics

Kotlin is Google's modern language for Android development:

println("Hello from Kotlin!")
println("Android development made easy!")

Kotlin's println() function is simple and powerful for Android apps!

Quick Tip: Kotlin is now Google's preferred language for all new Android apps!

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Lesson 1: Your First JavaScript Program

Lesson 2: Working with Variables

Lesson 3: Simple Calculator

Lesson 1: Print Your First Message

Lesson 2: Store Information in Variables

Lesson 3: Make Decisions with If/Else

Lesson 1: Create Your First Webpage

Lesson 2: Add Headings and Text

Lesson 3: Make a Simple About Me Page

Lesson 1: Your First PHP Script

Lesson 2: Working with Variables

Lesson 3: Simple Web Form

Lesson 1: Your First C# Program

Lesson 1: Your First SQL Query

Lesson 1: Hello Ruby World

Lesson 1: Swift Playground

Lesson 1: Kotlin Basics

Ready to Start Coding?