input: def crawl(url):
      """ Creates a web crawler in Python that starts from a specified website and looks for other links in the page, then scrapes the page content.
      >>> crawl('http://example.com')
      'http://example.com'
      """
      visited = set()
      queue = [url]
  
      while queue:
          curr = queue.pop(0)
          visited.add(curr)
          response = requests.get(curr)
  
          if response.ok:
              soup = BeautifulSoup(response.text, 'html.parser')
  
              # scrape the page here
  
              # find all the links
              links = soup.find_all('a', href=re.compile('^http'))
  
              for link in links:
                  if link['href'] not in visited:
                      queue.append(link['href'])
output:     content = soup.get_text()
      print(content)
  
      return curr