[Python] Storing REST API credentials safely for access in a Python environment

I have a number of REST APIs from a software program (ex: Tradingview)

I would like to store the API credentials (e.g. keys, secrets) safely.

I had thought about placing them in a Database table - but - I am not totally fond of placing clear text in a table.

I already know about using OS Environment Variables:

[... snip ...]

import os
import sys
import logging

[... snip ...]

LD_API_KEY = os.getenv("BINANCE_APIKEY")
LD_API_SECRET = os.getenv("BINANCE_API_SECRET")


where keys are stored in a file - but - as mentioned before, I have a number of API keys.

Just leaving them on a server (in clear text) - even though the file is hidden - is not sitting well with me.

Is there any other way to store API Keys?

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