CPT (Current Procedural Terminology) codes consist of 3-4 numbers representing a unique service. True False

Explain how email technologies enable the exchange of messages between users. find out the typical parts of an email address and explain each part.

Technician a says that with self-adjusting clutch systems, the release bearing constantly rotates. technician b says that the ball bearing portion of the release bearing should be lubricated with high-temperature grease during routine maintenance. which technician is correct?

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