Your cousin posted a link to an article with an incendiary headline on social media.

What role did women fill during world war ii?

Examine the list below. which factors positively affect lifetime income? check all that apply.

Description: write function lastfirst() that takes one argument—a list of strings of the format "lastname, firstname" —and returns a list consisting of two lists: (a) a list of all the last names (b) a list of all the first names