In Python, how to get an environment variable?
In Python, you may use this piece of code to get an environment variable:
os.environ.get('ENV_MIGHT_EXIST')
or this piece of code:
os.getenv('ENV_MIGHT_EXIST')
It will return None
if the environment variable is not present.
Reference and for more ways, please check https://www.systutorials.com/dtivl/13/how-to-get-an-environment-variable?show=80#answer-80 .