What is an IF statement used for? Select 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

Why does the pc send out a broadcast arp prior to sending the first ping request

Aselect query joins tables together by their a. table names. b. primary keys. c. first entries. d. field names.