static void Main(string[] args)
{
Trainee train = new Trainee();
string trFN = train.TraineeName("Alex", "Saltykov");
train.email = "*****@*****.**";
train.gitHub = "https://github.com/SaltykovAlexx?tab=repositories";
Group gr = new Group("DevOps-159", train);
Console.WriteLine();
Console.WriteLine("{0} ({1}) is a student of {2}", trFN, train.email, gr.groupName);
Console.WriteLine();
Console.ReadKey();
}
public Group(string g, Trainee tFN)
{
groupName = g;
this.train = tFN;
}