Why is it that every time i watch in ad it just stops and doesn't let me get out of it

What type of file does a cookie place on web site visitors' computers so that web site managers can customize their sites to their visitors' preferences?

Martha is designing a single-player game. her manager suggests that she plan the design to incorporate future modifications. which principle of game design relates to planning for future modifications?

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