def scrape(n):
    with open('URLS{}.txt'.format(n), newline='') as f_urls, \
            open('Output{}.txt'.format(n), 'w', newline='') as f_output:
        csv_urls = csv.reader(f_urls)
        txt_output = csv.writer(f_output)

        for line in csv_urls:
            try:
                r = uClient = uReq(line[0])

                page_html = uClient.read()
                page_soup = BeautifulSoup(page_html, "html.parser")
                containers = page_soup.findAll("div", {"id": "user_bar_l"})
                container = containers[0]
                username = container.span.text

                containers = page_soup.findAll("b")
                listings = containers[8].text

                print(username + "," + listings + "," + "\n")

                txt_output.writerow([username] + [listings])

            except Exception:
                pass
                print("===============Error, Skipping this URL!===============")


def main():
    [threading.Thread(target=scrape, args=(i+1,)).start() for i in range(10)]


if __name__ == '__main__':
    main()