input: 
  def scrape_website(url: str) -> str:
      """
      Scrape a given website and return the text of its main content.
      >>> scrape_website('http://example.com')
      'Example Domain\nThis domain is established to be used for illustrative examples in documents. You may use this domain in examples without prior coordination or asking for permission.\nMore information...'
      """
      import requests
      from bs4 import BeautifulSoup
  
      page = requests.get(url)
      soup = BeautifulSoup(page.text, 'html.parser')
      
      # Scraping code goes here....
      return soup.get_text()
  
output:     main_content = soup.find('div', {'id': 'main'})
      if main_content:
          return main_content.get_text()
      else:
          return soup.get_text()