When making any change to the database structure, we may need to check for effects of the change on

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"

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

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