function myIncludes(element) {
    const isThisArray = Array.isArray(this)
    if (isThisArray) {
        for (let i = 0; i < this.length; i++){
            if (this[i] === element) {
                return true;
            }
        }
    } else {
        for (let i = 0; i < this.length; i++){
            if (this[i] === element[0]) {
                for (let j = 1; j < element.length; j++){
                    if (this[i + j] !== element[j]) {
                        return false
                    }
                }
                return true;
            }
        }
    }
    return false; 
}