import requests
from bs4 import BeautifulSoup

pagecount = 1
visited = []

def crawler(page):
        global pagecount
        global maxpagecount
        global visited
        pages = []
        url = "https://en.wikipedia.org" + page
        if url in visited:
            return
        visited.append(str(url))
        websitecode = requests.get(url)
        text = websitecode.text
        soup = BeautifulSoup(text, "html.parser")
        seealso = soup.select("h2 > #See_also")[0]

        list = seealso.parent.find_next_sibling("ul")

        for a in list.findAll('a'):
            pages.append(str(a.get('href')))
        for a in pages:
            if "/wiki/" not in a:
                deadend = True
                break
            else:
                deadend = False

        print("Site number: " + str(pagecount))
        pagecount += 1
        print("URL: " + str(url))
        print("See also:")

        if deadend:
            div = see_also.parent.find_next_sibling("div")
            for li in div.findAll("li"):
                print(">", li.get_text())
            for a in div.findAll('a'):
                pages.append(str(a.get('href')))
            print("---------------------------")
        else:
            for li in list.findAll("li"):
                print(">", li.get_text())
            print("---------------------------")

        try:
            for link in pages:
                if pagecount <= maxpagecount:
                    crawler(link)
        except:
            pass
start = "/wiki/Online_chat"
print("How many sites do you want to see?")
maxpagecount = int(input())
crawler(start)