def create_message(price: float) -> str:
    """Creates the message for the email. HTML is supported as per Prefect docs
    https://docs.prefect.io/api/latest/tasks/notifications.html#emailtask"""

    message = """
    Hi,
    \n<br>
    Your item has a new price of : {}
    \n<br>
    """

    return message.format(price)