Bellow are some useful tutorials and links to sites to help you learn to code. Each site offers a variety of different languages to learn with tutorials to follow.
Learn Python, Java Script, and learn to make a website: Codecademy courses
Learn HTML, CSS, Java Script, SQL, PHP, ASP, Node.js, and more: W3 Schools Tutorials
freeCodeCamp tutorials: freeCodeCamp courses and videos
Check out my other site about climbing: The Crazy Climber