It could be that his head wasn't screwed on right

Who is the first president to use social media as part of his campaign strategy

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

Match the sentence fragment in the first column with the appropriate ending in the second column. a little per favore?