from bs4 import BeautifulSoup


def get_img_url(offer_markup):
    """ Searches for images in offer markup

    :param offer_markup: Class "offerbody" from offer page markup
    :type offer_markup: str
    :return: Images of offer in list
    :rtype: list
    """
    html_parser = BeautifulSoup(offer_markup, "html.parser")
    images = html_parser.find_all(class_="bigImage")
    output = []
    for img in images:
        output.append(img.attrs["src"])
    return output