Any tips?

Question

I know how to use Python, JavaScript, CSS, HTML, C# and a little Java. Any tips for Swift programming?

Answer 1

xCode is free.
you can freely develop and run on simulator.
if you want to publish your app for real devices, you must join Apple developer program.
member fee is $99 per year.

Answer 2

Do you own Mac?
Install and open XCode.
Create new iOS/OSX project.
Use swift to develop iOS/OSX application.
Run your product on simulator.

Answer 3

I own an mac(book). Is XCode free? Or is there any free versions of it?