Print the upper case and lower case in swift program

This is program can print the both upper case and lower case letters in a single program in swift programming language.These kind of programs is only for beginners in any programming language to understand the language concepts 

let string = "Welcome to Inlarn.com"
print(string.uppercased())
print(string.lowercased())
Output:

WELCOME TO INLARN.COM                                                                                                         

welcome to inlarn.com

How to print the upper case and lower case

To print the upper case and lowercase programs are very important for the apple developers for their products. To print the same element in both upper case and lower case in the swift language for ios apps and mac applications.

what are the keywords used to print the upper case and lower

The keywords which are used in the program is very simple to print the character in upper case and lower case.

use string.uppercased for upper case element in the output screen.

use string.lowercased for lowercase in the output screen for the developer.