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HTML Example:

<!DOCTYPE html>
<html>
<head>
<title>HTML Tutorial</title>
</head>
<body>

<h1>This is a heading</h1>
<p>This is a paragraph.</p>

</body>
</html>

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CSS Example:

body {
  background-color: lightblue;
}

h1 {
  color: white;
  text-align: center;
}

p {
  font-family: verdana;
}

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JavaScript Example:

<button onclick="myFunction()">Click Me!</button>

<script>
function myFunction() {
  let x = document.getElementById("demo");
  x.style.fontSize = "25px";
  x.style.color = "red";
}
</script>

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Python Example:

if 5 > 2:
  print("Five is greater than two!")

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SQL Example:

SELECT * FROM Customers
WHERE Country='Mexico';

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PHP

A web server programming language

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W3.CSS

A CSS framework for faster and better responsive web pages

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Code Game

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How To Section

Code snippets for HTML, CSS and JavaScript

For example, how to create a slideshow:

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