Learn to Code via Tutorials on Repl.it!
First, add a new file by using this icon, name the file README.md(md means markdown.):
now you should have a button that says preview.Style the file with markdown and it will open this file instead of your code.
This is really useful, ty!
If you don't know how to use markdown, go to my markdown tutorial: https://repl.it/talk/learn/Markdown/48375