You have been assigned to work with a web developer to troubleshoot the output of a cgi application. your job is to type commands into a terminal, and the web developer will read the output. you cannot see what you are typing into the terminal. the web developer directs you to enable echo in your application. what is echo?

Consider a list of full names formatted “firstname lastname”, like ["jules verne", "alexandre dumas", "maurice druon"]. write a list comprehension that produces a list with the full names in the format “lastname, firstname”. the resulting list should look like ['verne, jules', 'dumas, alexandre', 'druon, maurice']. the simplest solution may involve a nested comprehension: [ …. for … in [ … for … in … ]].