How can you make encouraging and effective content using text and visuals?​

The editing of digital photos us about the same level of difficulty as editing an analog photo

1. for which of the following are you not required to signal beforehand? a. changing lanes b. speeding up c. stopping

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