No, it's just stupid machine logic.
First it realize that "a" exist in it's memory.
Then it takes the value of "a" and adds "1".
After that it saves "a" with the new value in it's memory.
It's like you have a box called "a", with steel balls in it, on your desk.
You take that Box and adds 1 steel ball.
Then you putt it back on the desk.
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