<!-- Django模板 -->
<input type="radio" name="variable_name" value="option1"> Option 1
<input type="radio" name="variable_name" value="option2"> Option 2
<input type="radio" name="variable_name" value="option3"> Option 3

<!-- jQuery代码 -->
<script src="https://code.jquery.com/jquery-3.6.0.min.js"></script>
<script>
  $(document).ready(function() {
    var selectedValue = $(":radio[name='variable_name']:checked").val();
    console.log(selectedValue);
  });
</script>