Python: Fetching Environment Variables using the os module

Fetching Environment Variables in Python using the os module

Fetching Environment Variables in Python using the os module

The environment variables of your system can be read using the os module's environ attribute.

>>> import os
>>> os.environ
# an environ object, a dictionary-like object whose elements can be accessed using keys.
>>> os.environ['PATH']
# value of PATH environment variable

See also:

• Python 101
• Object Oriented Python
• Design Patterns in Python
• 50+ Handy Standard Library Modules
• 60+ Handy Third Library Modules
• 50+ Tips & Tricks for Python Developers
• 50+ Know-How(s) Every Pythonista Must Know