And why do we use "not" , we already have "and" "or" so why this complex inverted thing we need? Someone plz explain

Answer 1

lets say 1 2 3 4 5 6 7 8 and 10 is true.

so instead of saying 1 && 2 && 3...

you can put if its !9 its true

Answer 2

Thanks i get it