后端代码

from jinja2 import Template

def index():
    with open('./index.html', 'r', encoding='utf-8') as fp:
        template = Template(fp.read())
        ret = template.render({'name':'张三', 'hobby':['打牌', '打球']})
        data = ret.encode()
        return  data

前端代码

{{ name }}}

    {% for i in hobby %}
    
{{ i }}
    {% endfor %}