sample data
1,www.qq.com,
2,www.baidu.com,
.
.
.expected results
1,www.qq.com,,,61.129.7.47,
2,www.baidu.com,,,14.215.177.39,
.
.
.this answer may be helpful to you
https://stackoverflow.com/a/1.
and this
https://github.com/lorenzog/d.
Let's start with a problem. The URL of this kind of big factory often corresponds to a lot of IP addresses, so if you don't mind this, you can do this.
build a function that takes an URL address and returns city information.
parse the file, extract the URL, and store it in the list.
gets the return value to write the file.
assuming that you have completed the second and third steps, then
import aiohttp
import asyncio
import aiofiles
async def foo(url):
params={'url': url}
async with aiohttp.ClientSession() as session:
async with session.get(url='http://httpbin.org/get', params=params):
pass
if __name__ == "__main__":
urls = list()
loop = asyncio.get_event_loop()
tasks = [foo(url=url) for url in urls]
loop.run_until_complete(asyncio.wait(tasks))
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