Where can I use it?/Где это можно применить?

Question

string a = "some text";
Console.WriteLine(a.Length);
//Outputs 9

Console.WriteLine(a.IndexOf('t'));
//Outputs 5

a = a.Insert(0, "This is ");
Console.WriteLine(a);
//Outputs "This is some text"

a = a.Replace("This is", "I am");
Console.WriteLine(a);
//Outputs "I am some text"

if(a.Contains("some"))
Console.WriteLine("found");
//Outputs "found"

a = a.Remove(4);
Console.WriteLine(a);
//Outputs "I am"

a = a.Substring(2);
Console.WriteLine(a);
//Outputs "am"

Answer 1

Например написать бота. Example create a bot.