This is my 2nd question from swift please help me

Question

I FINALLY STARTED NEW LESSONS IN SWIFT BUT THERE IS THIS THING “WHERE” AND I’M CONFUSED WITH THIS CODE
let myPoint = (1, -1)
switch myPoint {
case let (x, y) where x == y:
print("(\(x), \(y)) is on the line x == y")
case let (x, y) where x == -y:
print("(\(x), \(y)) is on the line x == -y")
case let (x, y):
print("(\(x), \(y)) is just some arbitrary point")
}
PlEASE HELP ME

Answer 1

thanks so much you are a life saver