input: Write a function to scrape a given website and extract the text content from it. The function should take the website URL as an input, use the `requests` library to fetch the page, and use `BeautifulSoup` from the `bs4` library to parse the HTML and extract the text content. The function should return the extracted text.
  
  assert scrape_website("https://example.com")=="Example Domain\nThis domain is for use in illustrative examples in documents. You may use this\n    domain in literature without prior coordination or asking for permission.\n"
  assert scrape_website("https://google.com")==''  # Assuming google.com has no plain text content suitable for this example
  assert scrape_website("https://emptyexample.com")==''
  assert scrape_website("")==''
  assert scrape_website("https://nonexistentexample.com")==''
output: def scrape_website(url):
      try:
          import requests
          from bs4 import BeautifulSoup
          response = requests.get(url)
          if response.status_code == 200:
              soup = BeautifulSoup(response.text, 'html.parser')
              return soup.get_text()
          else:
              return ''
      except:
          return ''