Write an expression to detect that the first character of userinput matches firstletter.

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

Which type of cloud computing offers easily accessible software and applications on the machines

Network administration is concerned with which tasks? the installation and maintenance of network hardware and software the installation and maintenance of computer operating systems the diagnosis and repair of some types of computer hardware the monitoring of users' activity on a social networking site