What are environment variables in Python?
Environment variables in Python are key-value pairs that can influence the behavior of programs. They are often used to configure settings.
How can I access these environment variables in my Python code?
You can access environment variables in Python using the os
module. For example, os.environ['VARIABLE_NAME']
retrieves the value.
Can you show me an example of setting an environment variable?
Sure! You can set an environment variable in your terminal like this: export VARIABLE_NAME='value'
on Unix or set VARIABLE_NAME='value'
on Windows.
Are there any libraries that can help manage environment variables?
Yes, libraries like python-dotenv
can help manage environment variables by loading them from a .env
file.
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