class Animal {
    func fly() {
        // TODO: flying logic
    }

    func eat() {
        // TODO: eating logic
    }
}

class Cat: Animal {
    override func fly() {
        //Hi I'm a cat I cant fly,
        ///here is the Breaking of LSP, I have a different behavior
    }
}

//this is bad, why, cause it have two different responsibilities
protocol Animal {
    func fly()
    func eat()
}
//to it write
protocol Flyable {
    func fly()
}
protocol Feedable {
    func eat()
}