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let userName = '';

userName ? console.log(`Hello, ${userName}!`) : console.log('Hello!');

let question = 'Am I going to get a good grade on this assignment';

let randomNumber = Math.floor(Math.random() * 8);

let eightBall = generateAnswer(randomNumber);

function generateAnswer(num) {

switch (num) {

case 0:

return 'It is certain';

case 1:

return 'It is decidedly so';

case 2:

return 'Reply hazy try again';

case 3:

return 'Cannot predict now';

case 4:

return 'Do not count on it';

case 5:

return 'My sources say no';

case 6:

return 'Outlook not so good';

case 7:

return 'Signs point to yes';

}

}

console.log(eightBall);