shortcut to add a character before and after multiple words in vs code code example

Example 1: multiple word select in vs code

//Selects the word at the cursor, or the next occurrence of the current selection.
Ctrl+D 

//To add cursors to all the occurrences of a highlighted word 
Ctrl+Shift+L 
//Then select all occurrences of that word

Example 2: 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.