Check out example codes for "swift language". It will help you in understanding the concepts better.

Code Example 1

//Swift is a general-purpose, multi-paradigm, compiled programming language developed by Apple Inc. for iOS, iPadOS, macOS, watchOS, tvOS, Linux, and z/OS. Swift is designed to work with Apple's Cocoa and Cocoa Touch frameworks and the large body of existing Objective-C code written for Apple products.

Code Example 2

// Basic Swift Program
import UIKit

var str1 = "Hello geeks!"
var str2 = "How are you?"
print (str1)
print (str2)

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