python BeautifulSoup4模块下载
下载地址：
www.crummy.com/software/BeautifulSoup/bs4/
from bs4 import BeautifulSoup
html = """
<html>
<head>
<titie> 蜜罐测试页面 </title>
</head>
<body>
<form action="ver.php" method="post">
<a href="http://www.x14hack.com/zb_install/"></a>
<p>用户名 ：<input type="text" name="username"></p>
<p>密码: <input type="password" name="password"></p>
<p><input type="submit" name="submit value="确定">
<input type="reset" value="重置">
</form>
</boay>
</html>
"""
soup = BeautifulSoup(html,"html.parser")
print(soup.prettify())
print(soup.find_all("title","a","p"))
print(soup.select("a"))
print(soup.select("p"))