comment all selected lines in python code example

Example 1: python multiline comment

def increase_salary(sal,rating,percentage):
    """ increase salary base on rating and percentage
    rating 1 - 2 no increase
    rating 3 - 4 increase 5%
    rating 4 - 6 increase 10%
 
    """

Example 2: comment all selected lines in python

Select relevant lines to be commented, then use ctrl+/