How to set environment variables in Python?

Question

I need to set some environment variables in the Python script and I want all the other scripts that are called from Python to see the environment variables\' set.

If

Answer 1

Environment variables must be strings, so use

os.environ["DEBUSSY"] = "1"

to set the variable DEBUSSY to the string 1.

To access this variable later, simply use:

print(os.environ["DEBUSSY"])

Child processes automatically inherit the environment variables of the parent process -- no special action on your part is required.