// please assist me in check whats wrong with my code...i could pass the challenge with my code
function Bird() { } = function() { return "I am flying!"; };

function Penguin() { }
Penguin.prototype = Object.create(Bird.prototype);
Penguin.prototype.constructor = Penguin;

// Add your code below this line = function() {
    return "Alas, this ia a flightless bird.";

// Add your code above this line

let penguin = new Penguin();

please post a link to the specific challenge you are trying to pass

Your mistakes are here. = function() {
    return "Alas, this is a flightless bird.";

Compare your part of code and this one.
Be careful.

i have seen the errors…typo error and case error too…thankssssss