from xml.etree.ElementTree import Element


def dict_to_xml(tag, d):
    # 创建一个element实例
    elem = Element(tag)
    # 将字典键值对拆开填入
    for k, v in d.items():
        child = Element(k)
        child.text = str(v)
        elem.append(child)

    return elem

if __name__ == '__main__':
    s = {"name": 'GOOG',
         "shares": 100,
         "price": 490.1}

    e = dict_to_xml("stock", s)
    print(e)