flask-99乘法表

<table board="1">
    <tbody>
    {% for x in range(1,10) %}
        <tr>
        {% for y in range(1,x+1) %} 

或者写成{% for y in range(1,10) if y<=x %}

  <td>{{y}}*{{x}}={{ x*y }}</td>

        {% endfor %}
        
        </tr>
    
    {% endfor %}
    
    </tbody>
</table>