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HTML

The language for building web pages

Learn HTML Video Tutorial NEW HTML Reference

HTML Example:

                        !DOCTYPE html

                        html

                        titleHTML Tutorial/title

                        body

                        h1This is a heading/h1

                        pThis is a paragraph./p

                        /body

                        /html

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CSS

The language for styling web pages

Learn CSS CSS Reference

CSS Example:

                        body {

                          background-color: lightblue;

                        }

                        h1 {

                          color: white;

                          text-align: center;

                        }

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JavaScript

The language for programming web pages

Learn JavaScript JavaScript Reference

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

A popular programming language

Learn Python Python Reference

Python Example:

                        if
                        5 >
                        2:

                          print("Five is greater than two!")
                    

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SQL

A language for accessing databases

Learn SQL SQL Reference

SQL Example:

                        SELECT *
                         FROM Customers

                        WHERE Country=
                        'Mexico';
                    

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