Why is the command not working correctly?

Question

Instead of not letting the icon change, if this icon already exists, it simply passes.
What has been done wrong?
Here is the code:

select = "0"
apply1 = "0"
apply2 = "0"
apply3 = "0"
func _on_orange_pressed():
    select = "orange"
func _on_apple_pressed():
    select = "apple"
func _on_pear_pressed():
    select = "pear"
func _on_apply1_pressed():
    if apply2 or apply3 == select:
        pass
    else:
        if select == "orange":
            $icons/icon1.texture = game.orange
            apply1 = "orange"
        elif select == "apple":
            $icons/icon1.texture = game.apple
            apply1 = "apple"
        elif select == "pear":
            $icons/icon1.texture = game.pear
            apply1 = "pear"
func _on_apply2_pressed():
    if apply1 or apply3 == select:
        pass
    else:
        if select == "orange":
            $icons/icon2.texture = game.orange
            apply2 = "orange"
        elif select == "apple":
            $icons/icon2.texture = game.apple
            apply2 = "apple"
        elif select == "pear":
            $icons/icon2.texture = game.pear
            apply2 = "pear"
func _on_apply3_pressed():
    if apply1 or apply2 == select:
        pass
    else:
        if select == "orange":
            $icons/icon3.texture = game.orange
            apply3 = "orange"
        elif select == "apple":
            $icons/icon3.texture = game.apple
            apply3 = "apple"
        elif select == "pear":
            $icons/icon3.texture = game.pear
            apply3 = "pear"

Answer 1

 if Object1 or Object2 == Object3

IS NOT THE SAME AS

 if Object1 == Object3 or Object2 == Object3

objects in an if statement in the end should evaluate to a boolean, usually if the item is null it is false and true if otherwise, what you did is basically saying

 if (Object1 != null) or (Object2 == Object3)

while object1 is not null, you wont be able to do anything

**just a side note use return instead of pass, as pass is just a placeholder and wont block anything(if im not mistaken) while return works like in any other language and exit the code block and goes back to the previous one