from bs4 import BeautifulSoup
import requests

# 获取HTML文件内容
url = 'https://example.com'
response = requests.get(url)
html_content = response.text

# 使用BeautifulSoup解析HTML文件
soup = BeautifulSoup(html_content, 'html.parser')

# 查找所有<a>标签
links = soup.find_all('a')

# 提取所有<a>标签的href属性值
href_values = [link.get('href') for link in links]

# 输出所有href属性值
for href_value in href_values:
    print(href_value)