Ben Chuanlong Du's Blog

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Dealing With Environment Variables in Python

Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!

  1. os.environ is a dict-like object containing environment variables as keys and their values as values. You can query the value of an environment variable using os.environ[ENV_VAR_NAME]. And you can set the value of an environemnt variable using os.environ[ENV_VAR_NAME] = val