func getHaterStatus(weather: String) -> String? {
    if weather == "sunny" {
        return nil
    } else {
        return "Hate"
    }
}

var songs: [String] = ["Shake it Off", "You Belong with Me", "Back to December", 3]

var songs = [String]()



var songs = ["Shake it Off", "You Belong with Me", "Love Story"]
var songs2 = ["Today was a Fairytale", "White Horse", "Fifteen"]
var both = songs + songs2

var person = [
    "first": "Taylor",
    "middle": "Alison",
    "last": "Swift",
    "month": "December",
    "website": "taylorswift.com"
]

person["middle"]
person["month"]

var age = 25
"You are \(age) years old. In another \(age) years you will be \(age * 2)."

var action: String
var person = "hater"

if person == "hater" {
    action = "hate"
} else if person == "player" {
    action = "play"
} else {
    action = "cruise"
}

if !stayOutTooLate && !nothingInBrain {
    action = "cruise"
}

for i in 1...10 {
    print("\(i) x 10 is \(i * 10)")
}


var str = "Fakers gonna"

// Range
for _ in 1 ... 5 {
    str += " fake"
}

print(str)

var people = ["players", "haters", "heart-breakers", "fakers"]
var actions = ["play", "hate", "break", "fake"]

for i in 0 ..< people.count {
    print("\(people[i]) gonna \(actions[i])")
}

var counter = 0

while true {
    print("Counter is now \(counter)")
    ++counter

    if counter == 556 {
        break
    }
}

let studioAlbums = 5

switch studioAlbums {
case 0...1:
    print("You're just starting out")

case 2...3:
    print("You're a rising star")

case 4...5:
    print("You're world famous!")

default:
    print("Have you done something new?")
}

func printAlbumRelease(name: String, year: Int) {
    print("\(name) was released in \(year)")
}

printAlbumRelease("Fearless", year: 2008)
printAlbumRelease("Speak Now", year: 2010)
printAlbumRelease("Red", year: 2012)

func albumsIsTaylor(name: String) -> Bool {
    if name == "Taylor Swift" { return true }
    if name == "Fearless" { return true }
    if name == "Speak Now" { return true }
    if name == "Red" { return true }
    if name == "1989" { return true }

    return false
}

func getName(status: String) -> String? {
    if status == "happy" {
      return "Aaron"
    } else {
      return nil
    }

}

getName("happy")
getName("Mad")