Sending a form to another page

Currently, we submit a form to the same page. Suppose we want to submit a form to another page – how do we do that? Let's illustrate by having a Join our mailing list form below the search form. Add the following markup to home.html:

…
    <div class="container">
      <form action="">
        ...
      </form>
      Searching for {{ searchTerm }}
      <br />
      <br />
      <h2>Join our mailing list:</h2>
      <form action="{% url 'signup' %}">
        <div class="mb-3">
        ...