Upgraded book to Swift 3.0

Author: Juan Antonio Karmy

01_The Basics.playground/playground.xcworkspace/xcuserdata/development.xcuserdatad/UserInterfaceState.xcuserstate

@@ -48,6 +48,6 @@ for index in 0..<array.count{
 }
 
 // Enumerate array with index and value, C loop will be removed soon
-for (index, value) in array.enumerate() {
+for (index, value) in array.enumerated() {
     print("value \(value) at index \(index)")
 }

02_Basic Operators.playground/playground.xcworkspace/xcuserdata/development.xcuserdatad/UserInterfaceState.xcuserstate

@@ -37,17 +37,17 @@ shoppingList += ["Bird", "Shark"]
 
 shoppingList[1...3] = ["Bananas", "Apples", "Strawberries"] //Replace several items at once
 
-shoppingList.insert("Maple Syrup", atIndex: 0) //Inserts element at index
+shoppingList.insert("Maple Syrup", at: 0) //Inserts element at index
 
-let mapleSyrup = shoppingList.removeAtIndex(0) // Returns removed item
+let mapleSyrup = shoppingList.remove(at: 0) // Returns removed item
 
 var emptyArray = [Int]() //Initialize empty array
 var anotherEmptyArray = [] //Also valid
-var array = [Int](count: 3, repeatedValue: 0) //Initalizes an array of length 3 with zeros
+var array = [Int](repeating: 0, count: 3) //Initalizes an array of length 3 with zeros
 
 var compoundArray = array + emptyArray
 
-var reversedShoppingList: [String] = shoppingList.reverse()
+var reversedShoppingList: [String] = shoppingList.reversed()
 
 reversedShoppingList.removeLast() // Removes last item. Remove the first with removeFirst(). No returned value.
 reversedShoppingList.popLast() // Pops the last item, removing it from the array and also returning it. Note that if the array is empty, the returned value is nil.
@@ -68,7 +68,7 @@ if let airportName = airports["DUB"] { //Subscript always returns optional in ca
 }
 
 airports["LAX"] = nil
-airports.removeValueForKey("LAX") //Both remove the key-value pair
+airports.removeValue(forKey: "LAX") //Both remove the key-value pair
 
 //Iterating over the whole dictionary
 for (airportCode, airportName) in airports {