1 and 2 are good, questions 3 and 4 were harder

m.playground/Contents.swift

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+//: Playground - noun: a place where people can play
+
+import Cocoa
+
+//Question 1 - Full points
+
+func swap(inout a:Int, inout with b:Int) { //Any type? has to use templates
+    (a, b) = (b, a)
+}
+
+
+//Question 2- Full points
+
+func flexStrings(s1: String = "", s2: String = "") -> String {
+    return s1 + s2 == "" ? "no": s1 + s2
+}
+
+//Question 3 (this one doesn't make sense to me) - 1 point
+
+func sumAny(anys: Any...) -> String {
+    return String((anys.map({item in
+        switch item {
+        case "" as String, 0 as Int:
+            return -10
+        case let s as String where s.toInt() > 0:
+            return s.toInt()!
+        case is Int:
+            return item as Int
+        default:
+            return 0
+        }
+    }) as [Int]).reduce(0) {
+        $0 + $1
+        })
+}
+
+//Question 4 - 2 points
+func countFrom(from: Int, #to: Int) {
+    print(from) 
+    if from < to {
+        countFrom(from + 1, to: to)
+    }
+}
+
+countFrom(1, to: 5)

m.playground/contents.xcplayground

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+<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
+<playground version='5.0' target-platform='osx'>
+    <timeline fileName='timeline.xctimeline'/>
+</playground>