static void Main(string[] args)
{
string text = System.IO.File.ReadAllText("python.txt");
LexicalAnalysis analyzer = new LexicalAnalysis();
analyzer.lexeme(text);
while (text != null)
{
text = text.Trim(' ', '\t');
string token = analyzer.GetNextLexicalAtom(ref text);
Console.Write(token);
}
System.Console.Read();
}