Added the file we wrote during the workshop

BasicSwift.swift

@@ -0,0 +1,243 @@
+// This playground is a copy of the one we wrote live during the workshop
+// As such it has no comments and is intended for comparison to your own copy
+
+// this is a single line comment, I can put any old thing in here and the computer won't care!
+
+/*
+ this
+ is
+ a multi-line
+ comment!
+ I can also put anything in here!
+ */
+
+var age = 31
+//age = "31"
+var name = "Tim"
+age = age + 1
+age
+
+name = "Jon"
+
+print(name)
+
+name = "Jon is at ACEM"
+name.uppercased()
+
+name.append(contentsOf: "!!!")
+
+let value = 1 + 5 + 7.0 / 2
+
+let mean = (1 + 3 + 5 + 7 + 11 + 13 + 17) / 7.0
+
+let anotherNumber: Float = 2
+
+var numbers: [Int] = [1,6,2,9,22,7]
+numbers.append(17)
+
+numbers[0]
+
+var dictionary = ["hello":"Bonjour",
+                  "goodbye":"au revoir",
+                  "thank you":"merci"]
+dictionary["hello"]
+dictionary["Youre Welcome"] = "De rien"
+
+var anotherDict = [1:"One", 2:"Two"]
+print(dictionary.keys)
+
+enum Sex
+{
+    case male
+    case female
+    case other
+}
+
+struct Person
+{
+    var name: String
+    let yearOfBirth: Int
+    let sex: Sex
+
+    func greet()
+    {
+        print("Why hello there \(name)")
+    }
+}
+
+var jon = Person(name: "Dr. Jon Alan Manning", yearOfBirth: 1986, sex: Sex.male)
+jon.name
+jon.name = "Barry"
+jon.greet()
+
+//if jon.name.count > 8
+//{
+//    print("Your name is very big!")
+//}
+//else
+//{
+//    print("Your name is very small!")
+//}
+//
+//if 2 == 1 + 1
+//{
+//    print("maths still works")
+//
+//    var anything = 1
+//
+//    anything = anything + 2
+//}
+//
+///*for number in 1 ... 10
+//{
+//    print(number)
+//}
+//
+//for number in numbers
+//{
+//    print(number)
+//}*/
+//
+//for number in 1 ... 30
+//{
+//    if number % 3 == 0
+//    {
+//        print(number)
+//    }
+//}
+//
+//var counter = 0
+//for number in 1 ... 30
+//{
+//    counter = counter + 1
+//    if counter == 3
+//    {
+//        print(number)
+//        counter = 0
+//    }
+//}
+//for number in stride(from: 0, through: 30, by: 3)
+//{
+//    print(number)
+//}
+
+func greet()
+{
+    print("Why, hello there.")
+}
+greet()
+
+func greet(name: String)
+{
+    print("Why, hello there " + name)
+}
+greet(name:"Jon")
+
+func greet(name: String, mood: String)
+{
+    //print("Why hello there " + name + ". I hope you are doing " + mood)
+    print("Why hello there \(name). I hope you are doing \(mood)")
+}
+greet(name: "Jon", mood: "well")
+
+func checkMood(name: String) -> String
+{
+    if name.hasPrefix("J")
+    {
+        return "Good"
+    }
+    else
+    {
+        return "Great"
+    }
+}
+checkMood(name: "Jon")
+checkMood(name: "Tim")
+
+func celsiusToFarenheit(degrees: Float) -> Float
+{
+    return degrees * 1.8 + 32
+}
+celsiusToFarenheit(degrees: 25)
+
+func weatherThing(name: String, temperature: Int)
+{
+    let message: String
+
+//    if temperature < 15
+//    {
+//        message = "It's cold outside"
+//    }
+//    else if temperature >= 15 && temperature < 26
+//    {
+//        message = "It's nice outside"
+//    }
+//    else
+//    {
+//        message = "It's hot outside"
+//    }
+
+    switch temperature
+    {
+    case ...14:
+        message = "It's cold outside"
+
+    case 15...25:
+        message = "It's nice outside"
+
+    default:
+        message = "It's hot outside"
+    }
+
+    print("Hello, \(name). \(message)")
+}
+weatherThing(name: "Jon", temperature: 26)
+
+enum Weather
+{
+    case sunny
+    case cloudy
+    case rainy
+    case stormy
+    case bad
+    case asteroids
+}
+let todaysWeather = Weather.asteroids
+switch todaysWeather
+{
+case .sunny:
+    print("gosh isn't it sunny")
+
+case .cloudy:
+    print("I hate the clouds")
+
+case .rainy:
+    print("I forgot my umbrella")
+
+default:
+    print("This is certainly weather")
+}
+
+var incomingName: String? = "A. String"
+
+if let realName = incomingName
+{
+    print(realName.uppercased())
+}
+else
+{
+    print("No name provided")
+}
+
+guard let realName = incomingName else
+{
+    fatalError("No name provided!")
+}
+print(realName.uppercased())
+
+let aBoolean = true
+let anotherBoolean = false
+if aBoolean != anotherBoolean
+{
+    print("Yes this makes sense")
+}