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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def handle_page_crumb(func):
 """ Decorator for handling the current page in the breadcrumbs. """

    @wraps(func)
    def wrapper(path, model, page, root_name):
        path = PAGE_REGEXP.sub('', path)
        breadcrumbs = func(path, model, root_name)
        if page:
            if page.number > 1:
                breadcrumbs[-1].url = path
                page_crumb = Crumb(_('Page %s') % page.number)
                breadcrumbs.append(page_crumb)
        return breadcrumbs
    return wrapper