[c#] [console] How to programmatically remove a character from user inputs that have not yet been submitted?

Question

C++ / C#

How to remove 123456?

Answer 1

Console.Write("Abc");
Console.Write("\b"); //"\b" is ASCII backspace
Console.Write("Def");
// outputs "AbDef";

Answer 2

why recreate 1 and the same question?