input: Write a python function to scrape and return all text content from a given URL.
  assert scrape_text('http://example.com') == 'Example Domain\n\n\nExample Domain\nThis domain is for use in illustrative examples in documents. You may use this domain in literature without prior coordination or asking for permission.\nMore information...\n'
  assert scrape_text('http://example.org') == 'Example Domain\n\n\nExample Domain\nThis domain is for use in illustrative examples in documents. You may use this domain in literature without prior coordination or asking for permission.\nMore information...\n'
  assert scrape_text('http://example.edu') == 'Example Domain\n\n\nExample Domain\nThis domain is for use in illustrative examples in documents. You may use this domain in literature without prior coordination or asking for permission.\nMore information...\n'
output: def scrape_text(url):
      import requests
      from bs4 import BeautifulSoup
      
      response = requests.get(url)
      response.raise_for_status()
      soup = BeautifulSoup(response.text, 'html.parser')
      return soup.get_text(separator='\n')