how to set text in vs code code example

Example 1: how to replace text for same words vs code

(1) Select your code

(2) Ctrl+Shift+L (which is editor.action.selectHighlights)

(3) voila, multiple cursors done - type away.

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)