import random


def random_crop(img):
    """
    Crop 54*54 from the resized img at random location.
    Input:
        img: np.array
    Return:
        random_croped_img: np.array
    """
    left = random.randint(0, 10)
    top = random.randint(0, 10)
    
    return img[top:(top+54), left:(left+54)]