input: Write a python function to scrape the content of a given Wikipedia page.
  assert 'Machine learning' in scrape_wikipedia_page('https://en.wikipedia.org/wiki/Machine_learning')
  assert 'Artificial intelligence' in scrape_wikipedia_page('https://en.wikipedia.org/wiki/Artificial_intelligence')
  assert 'Python (programming language)' in scrape_wikipedia_page('https://en.wikipedia.org/wiki/Python_(programming_language)')
output: def scrape_wikipedia_page(url):
      import requests
      from bs4 import BeautifulSoup
  
      response = requests.get(url)
      soup = BeautifulSoup(response.content, 'html.parser')
      content = soup.find_all('p')
      return ' '.join([para.text for para in content])