Evolutionary Yet RevolutionaryPreparing for SuccessTools of the TradeInteracting with SwiftReady, Set...Diving into SwiftHelp and QuitHello, World!The Power of DeclarationConstants Are ConsistentThis Thing Called a TypeTesting the LimitsCan a Leopard Change Its Stripes?Being ExplicitStrings and ThingsStringing Things TogetherCharacters Have CharacterMath and MoreExpressionsMixing Numeric TypesNumeric RepresentationsTrue or FalseThe ResultPrinting Made EasyUsing AliasesGrouping Data with TuplesOptionalsSummary