运行结果就是个[],这是怎么回事

Question

def get_mobile(phone):
    url='https://www.ip138.com/mobile.asp?mobile={phone}&action=mobile'
    import requests
    from lxml import etree
    headers={'User-Agent':'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/115.0.0.0 Safari/537.36 Edg/115.0.1901.203'}

    resp=requests.get(url,headers=headers)
    
    resp.encoding='utf-8'
    #解析数据
    e=etree.HTML(resp.text)
    #编写xpath提取数据
    data=e.xpath('//tr/td[2]/span/text()')
    #解析响应
    print(data)

get_mobile[phone])

Answer 1

（1）确认网站返回了数据了么
（2）data=e.xpath('//tr/td[2]/span/text()') 确认这个 xpath 对么