How to access environment variable values

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I set an environment variable that I want to access in my Python application. How do I get its value?
Nov 18, 2020 in Python by kartik
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1 answer to this question.

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Hello @kartik,

To check if the key exists (returns True or False)

'HOME' in os.environ

You can also use get() when printing the key; useful if you want to use a default.

print(os.environ.get('HOME', '/home/username/'))

where /home/username/ is the default

Hope it helps!!

answered Nov 18, 2020 by Niroj
• 82,720 points

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