How to creat combonation lock

Godot Version

Godot 3.6.2 [NOT Godot 4]

Question

 in 2D  THE IDEL IS TO SET THE SQUARES TO SAY FOR AN EXAMPLE 1970

PICTURE

SQUARE 1 SQUARE 2 SQUARE 3 SQUARE 4

PLUS MINUS PLUS MINUS PLUS MINUS PLUS MINUS

EACH TIME YOU HIT THE PLUS THE SQUARE ABOVE IT CHANGES FROM 1 TO 2 TO 3 ETC

EACH TIME YOU HIT THE MINUS THE SQUARE ABOVE CHANGES FROM 3 TO 2 TO 1 ETC

please include the signals and code:


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