tolowercase in C#'
//In C# the code to make a string become lowercase is the Tolower() method
//E.G heres some code that checks if something is a vowel
Console.Write("Enter a letter");
char input = Console.ReadLine();
switch(input.ToLower())//To.Lower method is used to convert a string to lowercase
case "a":
case "i":
case "e":
case "o":
case "u":
Console.WriteLine($"\n{input} is a vowel");
break;
default:
Console.WriteLine($"\n{input} is not a vowel");
break;