//Sets all of the selected Person's attirbutes to new values
 public void EditUser(Person User,string newN,string newAd,string newS,string newZ,string newNu)
 {
     User.Name=newN;
     User.Addr = newAd;
     User.State = newS;
     User.Zip = newZ;
     User.Num = newNu;
 }
 //Removes a user from the list of users
 public void RemoveUser(Person User)
 {
     Users.Remove(User);
 }
 //Adds a user to the list of users
 public void AddUser(Person User)
 {
     Users.Add(User);
 }
 //Removes a user from the list of users
 public void RemoveUser(Person User)
 {
     Users.Remove(User);
 }
 //Adds a user to the list of users
 public void AddUser(Person User)
 {
     Users.Add(User);
 }