Describe three types of reference materials for using computers.

Write a function 'music_func' that takes 3 parameters -- music type, music group, vocalist -- and prints them all out as shown in the example below. in case no input is provided by the user, the function should assume these values for the parameters: "classic rock", "the beatles", "freddie mercury". for example: input: alternative rock, pearl jam, chris cornell output: the best kind of music is alternative rock the best music group is pearl jam the best lead vocalist is chris cornell note: the print statements will go inside the for example: print("the best kind of music is"

In the film "epic 2015," epic is the name for:

List a few alternative options and input and output over the standerd keyboard and monitor. explain their functioning in details.