input: Write a python function to scrape webpage content and return a dictionary containing the text and URL.
  assert scrape('https://example.com')['url']=='https://example.com'
  assert 'text' in scrape('https://example.com')
  assert isinstance(scrape('https://example.com'), dict)
output: def scrape(url):
      import requests
      from bs4 import BeautifulSoup
      
      response = requests.get(url)
      soup = BeautifulSoup(response.text, 'html.parser')
      text = soup.get_text()
      
      return {'url': url, 'text': text}