1. Create a gist with the snippet of code you want to practice, for example: https://gist.github.com/MauricioRobayo/d6bf88f90a8d0b28e0847f3ac32df11b
2. On the gist url, replace gist.github.com with codetyper.io/gist: https://codetyper.io/gist/MauricioRobayo/d6bf88f90a8d0b28e0847f3ac32df11b
3. Practice

To get all of your gists go to https://codetyper.io/gist/<YOUR GITHUB USERNAME>.