<form>
  <p>Veuillez choisir la meilleure méthode pour vous contacter :</p>
  <div>
    <input type="radio" id="contactChoice1"
     name="contact" value="email">
    <label for="contactChoice1">Email</label>

    <input type="radio" id="contactChoice2"
     name="contact" value="telephone">
    <label for="contactChoice2">Téléphone</label>

    <input type="radio" id="contactChoice3"
     name="contact" value="courrier">
    <label for="contactChoice3">Courrier</label>
  </div>
  <div>
    <button type="submit">Envoyer</button>
  </div>
</form>

<input type="radio" name="test" id="test" value="this is the value">

<input type="radio" name="contact" value="email" id="email" checked>
<label for="email">: Email</label>

<input type="radio" name="contact" value="phone" id="phone">
<label for="phone">: Phone</label>

<input type="radio" name="contact" value="message" id="message">
<label for="message">: Message</label>

<input type="radio"value ="section b " name="section"id="sectionidb">