using static System.Console;
using System.Collections.Generic;
using System.Linq;
 
public class Program {
    public static void Main(string[] args) {
        var alunos = new List<Aluno> {
            new Aluno() { AlunoId = 1, Nome = "Cláudia", Email = "claudia@email.com" },
            new Aluno() { AlunoId = 2, Nome = "Pedro",   Email = "pedro@email.com" },
            new Aluno() { AlunoId = 3, Nome = "Eduardo", Email = "eduardo@email.com" }
        };
		ImprimeAlunos(alunos);
		while (true) {
	        var id = 0;
			Write("Qual ID de aluno deseja modificar? (-1 para encerrar)");
			if (int.TryParse(ReadLine(), out id)) {
				if (id == -1) break;
				var alunoAchado = alunos.FirstOrDefault(x => x.AlunoId == id);
				if (alunoAchado != null) {
					Write("Qual o novo nome? ");
					alunoAchado.Nome = ReadLine();
					Write("Qual o novo e-mail? ");
        			alunoAchado.Email = ReadLine();
				} else WriteLine("Id inválido tente outro");
			} else WriteLine("Id inválido tente outro");
		}
         WriteLine("Nova Lista");
		ImprimeAlunos(alunos);
    }
 
	static void ImprimeAlunos(List<Aluno> alunos) {
        WriteLine("==================================");
		foreach (var item in alunos) {
            WriteLine($"ID: {item.AlunoId}\nNome: {item.Nome}\nEmail: {item.Email}");
            WriteLine("==================================");
        }
	}
}
 
class Aluno {
    public int AlunoId { get; set; }
    public string Nome { get; set; }
    public string Email { get; set; }
}
 
//https://pt.stackoverflow.com/q/87315/101

dXNpbmcgc3RhdGljIFN5c3RlbS5Db25zb2xlOwp1c2luZyBTeXN0ZW0uQ29sbGVjdGlvbnMuR2VuZXJpYzsKdXNpbmcgU3lzdGVtLkxpbnE7CgkJCQkJCnB1YmxpYyBjbGFzcyBQcm9ncmFtIHsKICAgIHB1YmxpYyBzdGF0aWMgdm9pZCBNYWluKHN0cmluZ1tdIGFyZ3MpIHsKICAgICAgICB2YXIgYWx1bm9zID0gbmV3IExpc3Q8QWx1bm8+IHsKICAgICAgICAgICAgbmV3IEFsdW5vKCkgeyBBbHVub0lkID0gMSwgTm9tZSA9ICJDbMOhdWRpYSIsIEVtYWlsID0gImNsYXVkaWFAZW1haWwuY29tIiB9LAogICAgICAgICAgICBuZXcgQWx1bm8oKSB7IEFsdW5vSWQgPSAyLCBOb21lID0gIlBlZHJvIiwgICBFbWFpbCA9ICJwZWRyb0BlbWFpbC5jb20iIH0sCiAgICAgICAgICAgIG5ldyBBbHVubygpIHsgQWx1bm9JZCA9IDMsIE5vbWUgPSAiRWR1YXJkbyIsIEVtYWlsID0gImVkdWFyZG9AZW1haWwuY29tIiB9CiAgICAgICAgfTsKCQlJbXByaW1lQWx1bm9zKGFsdW5vcyk7CgkJd2hpbGUgKHRydWUpIHsKCSAgICAgICAgdmFyIGlkID0gMDsKCQkJV3JpdGUoIlF1YWwgSUQgZGUgYWx1bm8gZGVzZWphIG1vZGlmaWNhcj8gKC0xIHBhcmEgZW5jZXJyYXIpIik7CgkJCWlmIChpbnQuVHJ5UGFyc2UoUmVhZExpbmUoKSwgb3V0IGlkKSkgewoJCQkJaWYgKGlkID09IC0xKSBicmVhazsKCQkJCXZhciBhbHVub0FjaGFkbyA9IGFsdW5vcy5GaXJzdE9yRGVmYXVsdCh4ID0+IHguQWx1bm9JZCA9PSBpZCk7CgkJCQlpZiAoYWx1bm9BY2hhZG8gIT0gbnVsbCkgewoJCQkJCVdyaXRlKCJRdWFsIG8gbm92byBub21lPyAiKTsKCQkJCQlhbHVub0FjaGFkby5Ob21lID0gUmVhZExpbmUoKTsKCQkJCQlXcml0ZSgiUXVhbCBvIG5vdm8gZS1tYWlsPyAiKTsKICAgICAgICAJCQlhbHVub0FjaGFkby5FbWFpbCA9IFJlYWRMaW5lKCk7CgkJCQl9IGVsc2UgV3JpdGVMaW5lKCJJZCBpbnbDoWxpZG8gdGVudGUgb3V0cm8iKTsKCQkJfSBlbHNlIFdyaXRlTGluZSgiSWQgaW52w6FsaWRvIHRlbnRlIG91dHJvIik7CgkJfQogICAgICAgICBXcml0ZUxpbmUoIk5vdmEgTGlzdGEiKTsKCQlJbXByaW1lQWx1bm9zKGFsdW5vcyk7CiAgICB9CgkKCXN0YXRpYyB2b2lkIEltcHJpbWVBbHVub3MoTGlzdDxBbHVubz4gYWx1bm9zKSB7CiAgICAgICAgV3JpdGVMaW5lKCI9PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09Iik7CgkJZm9yZWFjaCAodmFyIGl0ZW0gaW4gYWx1bm9zKSB7CiAgICAgICAgICAgIFdyaXRlTGluZSgkIklEOiB7aXRlbS5BbHVub0lkfVxuTm9tZToge2l0ZW0uTm9tZX1cbkVtYWlsOiB7aXRlbS5FbWFpbH0iKTsKICAgICAgICAgICAgV3JpdGVMaW5lKCI9PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09Iik7CiAgICAgICAgfQoJfQp9CgpjbGFzcyBBbHVubyB7CiAgICBwdWJsaWMgaW50IEFsdW5vSWQgeyBnZXQ7IHNldDsgfQogICAgcHVibGljIHN0cmluZyBOb21lIHsgZ2V0OyBzZXQ7IH0KICAgIHB1YmxpYyBzdHJpbmcgRW1haWwgeyBnZXQ7IHNldDsgfQp9CgovL2h0dHBzOi8vcHQuc3RhY2tvdmVyZmxvdy5jb20vcS84NzMxNS8xMDE=

MQphYmMKYWJjQGFiY0BhYmMuY29tCi0xCg==

1
abc
abc@abc@abc.com
-1