Python's fastAPI supports asynchronous processing called ASGI instead of the conventional WSGI ... If you replace it with something, it will run fast enough, although it is not at the Go or Nodejs level.

https://jp.quora.com/python%E3%81%AEfastAPI%E3%81%AF%E5%A4%A7%E8%A6%8F%E6%A8%A1%E9%96%8B%E7% 99% BA% E3% 81% AB% E5% 90% 91% E3% 81% 84% E3% 81% A6% E3% 81% 84% E3% 81% BE% E3% 81% 99% E3% 81% 8B

I shared it.