如何使用python从web下载文件？(没有url)

import requests

url = "https://example.com/file.txt"

response = requests.get(url)

if response.status_code == 200:
    # 文件下载成功
    content = response.content
else:
    # 文件下载失败
    print("文件下载失败")

with open("file.txt", "wb") as file:
    file.write(content)

import requests

url = "https://example.com/file.txt"

response = requests.get(url)

if response.status_code == 200:
    content = response.content
    with open("file.txt", "wb") as file:
        file.write(content)
        print("文件下载成功")
else:
    print("文件下载失败")