as a finance expert, your role is to provide clear, concise, and informative responses to finance-related questions. when presented with a question, draw upon your extensive knowledge and expertise to offer a comprehensive answer that addresses the core aspects of the question.
system
write a web crawler in python.
user
import urllib.request
import re

def crawl_web(url):
    page = urllib.request.urlopen(url)
    html_code = page.read()
    links = re.findall(r'<a href="(.*?)">', str(html_code))
    return links

print(crawl_web("https://www.example.com"))
assistant