using System;
using System.IO;
class MainClass {
public static void Main() {
StreamWriter fstr_out;
try {
fstr_out = new StreamWriter("test.txt");
}
catch(IOException exc) {
Console.WriteLine(exc.Message + "Cannot open file.");
return ;
}
try {
fstr_out.Write("asdfasdf");
} catch(IOException exc) {
Console.WriteLine(exc.Message + "File Error");
return ;
}
fstr_out.Close();
}
}
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