static public void Choice(out bool cont)
{
cont = true;
int choiceNumber = int.Parse(Console.ReadLine());
switch (choiceNumber)
{
case 1:
RecordList.AddNewRecord();
break;
case 2:
RecordList.ChangeRecord();
break;
case 3:
RecordList.DeleteRecord();
break;
case 4:
RecordList.ShowOneRecord();
break;
case 5:
RecordList.ShowWholeDictionary();
break;
case 6:
cont = false;
break;
default:
break;
}
}