using System;
public class Test
{
public static void Main()
{
string str_01 = "Hello World";
string str_02 = "---مرحبا بالعالم";
Console.WriteLine(str_01.PadLeft(20,'-'));
Console.WriteLine(str_02.PadLeft(20,'-'));
Console.WriteLine(str_02.PadLeft(20,'-')[0]);
Console.WriteLine(str_02.PadLeft(20,'-')[19]);
}
}
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