<!DOCTYPE HTML>
<html>
    <body>
        <form action="./quantities">
            <input type="text" placeholder="Location" name="location" />
            <input type="submit" />
            <br>
            <input type="reset" value="Reset" onclick="parent.location='./quantities'" />
        </form>
        <table border=1>
            <tr>
                <th>UPC</th>
                <td>Quantity</td>
                <td>Location</td>
            </tr>
            {% for upc, quantity, location in data %}
                <tr>
                    <th> {{ upc }} </th>
                    <td> {{ quantity }} </td>
                    <td> {{ location }} </td>
                </tr>
            {% endfor %}
        </table>
    </body>
</html>