vscode change document line code example

Example 1: new file shortcut vscode

ctrl + n // Windows/Linux
cmd + n  // MacOS

//Or use a great extension: File Utils

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)