10.全国城市名称

import requests
from lxml import etree
import os
headers={
    'User-Agent':'Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:82.0) Gecko/20100101 Firefox/82.0'
}
url='https://www.aqistudy.cn/historydata/'
page_text=requests.get(url=url,headers=headers).text
tree=etree.HTML(page_text)
a_list=tree.xpath('//div[@class="bottom"]/ul/li/a | //div[@class="bottom"]/ul/div[2]/li/a')
all_city_name=[]
for a in a_list:
    name=a.xpath('./text()')[0]
    all_city_name.append(name)
print(all_city_name)