let hour = 20;
if (hour < 12) {
console.log("Good Morning")
} else if (hour >= 12 && hour < 18) {
console.log("Good Afternoon!")
} else {
console.log("Good Night!")
}
hour < 12 ? console.log("Good Morning") : (hour >= 12 && hour < 20) ? console.log("Good Afternoon!") : console.log("Good Night");