input: def create_web_scraper(url: str, tag: str, attribute: str) -> list:
      """
      Creates a web scraper that extracts specific data from a given website. The scraper
      uses the Python package BeautifulSoup to parse webpages and extract the required data.
      It will find HTML elements on the webpage using the specified tag and attribute,
      extract the data, and return it as a list.
      
      Example:
      >>> create_web_scraper("https://example.com", 'a', 'href')
      ['https://example.com/link1', 'https://example.com/link2', ...]
      """
      import requests
      from bs4 import BeautifulSoup
  
      # Get the web page
      webpage = requests.get(url)
  
      # Parse the web page
      soup = BeautifulSoup(webpage.content, 'html.parser')
  
      # Find all specified tags
      elements = soup.find_all(tag)
  
      # Extract the data from the specified attribute
      data = [element.get(attribute) for element in elements if element.get(attribute)]
  
      return data
output:     import requests
      from bs4 import BeautifulSoup
  
      # Get the web page
      webpage = requests.get(url)
  
      # Parse the web page
      soup = BeautifulSoup(webpage.content, 'html.parser')
  
      # Find all specified tags
      elements = soup.find_all(tag)
  
      # Extract the data from the specified attribute
      data = [element.get(attribute) for element in elements if element.get(attribute)]
  
      return data