import asyncio
import aiohttp
async def fetch_data(url):
async with aiohttp.ClientSession() as session:
async with session.get(url) as response:
data = await response.text()
return data
async def main():
urls = [
'https://example.com',
'https://google.com',
'https://openai.com'
]
tasks = [fetch_data(url) for url in urls]
results = await asyncio.gather(*tasks)
print(results)
asyncio.run(main())
---------------------------------------------------------------------------
RuntimeError Traceback (most recent call last)
File c:\Users\Steven\stock.investing.decision.making\my-app\management\real.time.price2.py:21
18 results = await asyncio.gather(*tasks)
19 print(results)
---> 21 asyncio.run(main())
File c:\Python312\Lib\asyncio\runners.py:190, in run(main, debug, loop_factory)
161 """Execute the coroutine and return the result.
162
163 This function runs the passed coroutine, taking care of
(...)
186 asyncio.run(main())
187 """
188 if events._get_running_loop() is not None:
189 # fail fast with short traceback
--> 190 raise RuntimeError(
191 "asyncio.run() cannot be called from a running event loop")
193 with Runner(debug=debug, loop_factory=loop_factory) as runner:
194 return runner.run(main)
RuntimeError: asyncio.run() cannot be called from a running event loop