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
create a form for people to sign up for a newsletter.
user
<html>
  <body>
    <form action="signup.php" method="post">
      <h2>sign up for our newsletter</h2>
      <label for="firstname">first name: </label>
      <input type="text" id="firstname" name="firstname" placeholder="enter your first name">
      <label for="lastname">last name: </label>
      <input type="text" id="lastname" name="lastname" placeholder="enter your last name">
      <label for="email">email address: </label>
      <input type="text" id="email" name="email" placeholder="enter your email address">
      <br><br>
      <input type="submit" value="sign up">
    </form>
  </body>
</html>
assistant