how to change what is in git hub from vs code code example

Example 1: VS github commit

// ready the changes for commit
git add .

// commit your changes with a message
git commit -m "Your message to refernce your commit"

Example 2: how to save files in a repository visual studio code

def fib(number):
    if number in [0, 1]:
        return 1
    else:
        return fib(number - 2) + fib(number - 1)