using System;
using System.Collections.Generic;
using System.Text;
class Program {
static void Main(string[] args) {
Console.WriteLine("-> char.IsDigit('K'): {0}", char.IsDigit('K'));
Console.WriteLine("-> char.IsDigit('9'): {0}", char.IsDigit('9'));
Console.WriteLine("-> char.IsLetter('10', 1): {0}", char.IsLetter("10", 1));
Console.WriteLine("-> char.IsLetter('p'): {0}", char.IsLetter('p'));
Console.WriteLine("-> char.IsWhiteSpace('Hello There', 5): {0}",char.IsWhiteSpace("Hello There", 5));
Console.WriteLine("-> char.IsWhiteSpace('Hello There', 6): {0}",char.IsWhiteSpace("Hello There", 6));
Console.WriteLine("-> char.IsLetterOrDigit('?'): {0}",char.IsLetterOrDigit('?'));
Console.WriteLine("-> char.IsPunctuation('!'): {0}",char.IsPunctuation('!'));
Console.WriteLine("-> char.IsPunctuation('>'): {0}",char.IsPunctuation('>'));
Console.WriteLine("-> char.IsPunctuation(','): {0}",char.IsPunctuation(','));
}
}
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