Python-爬取所在城市KFC的数量

import urllib.request
import urllib.parse

post_url='http://www.kfc.com.cn/kfccda/ashx/GetStoreList.ashx?op=cname'

city=input('请输入要查询的城市：')
page=input('请输入要查询第几页：')
size=input('请输入要多少个：')

formdata={
'cname': city,
'pid':' ' ,
'pageIndex': page,
'pageSize': size,
}

headers={
'user-agent': 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/80.0.3987.87 Safari/537.36'
}

request= urllib.request.Request(url=post_url,headers=headers)

formdata=urllib.parse.urlencode(formdata).encode()

response=urllib.request.urlopen(request,data=formdata)

print(response.read().decode())