python f-string的应用

import requests

keyword = input("输入您要搜索的关键字：")
url=f"https://www.baidu.com/s?wd={keyword}"
dict = {"User-Agent":"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/95.0.4638.54 Safari/537.36 Edg/95.0.1020.30"}
r = requests.get(url,headers=dict)
print(r.url)