input: Write a function to create a web scraper using Python that collects the title and content from the homepage of a given website. The function should take a URL as input and return the title and content as a tuple. If any of the elements are not found, return None for that element.
  assert scrape_webpage('https://www.example.com') == ('Example Domain', 'This domain is for use in illustrative examples in documents. You may use this domain in literature without prior coordination or asking for permission.')
  assert scrape_webpage('https://www.nonexistentwebsite.com') == (None, None)
output: def scrape_webpage(url):
      try:
          import requests
          from bs4 import BeautifulSoup
          response = requests.get(url)
          response.raise_for_status()
          soup = BeautifulSoup(response.text, 'html.parser')
          title = soup.title.string if soup.title else None
          content = soup.get_text().strip() if soup.get_text() else None
          return (title, content)
      except:
          return (None, None)