How can I access environment variables in Python and JavaScript?
An example of an AI chatbot conversation about accessing environment variables in different programming languages.
How can I access environment variables in Python and JavaScript?
In Python, you can use the os module. For example, import os; value = os.getenv('VARIABLE_NAME'). In JavaScript, you can access them using process.env.VARIABLE_NAME.
Are there any differences in how they handle missing variables?
Yes, in Python, os.getenv returns None if the variable is missing, while in JavaScript, accessing a missing variable in process.env returns undefined.
Can I set environment variables in my code?
In Python, you can set them using os.environ['VARIABLE_NAME'] = 'value'. In JavaScript, you typically set them in your environment or use a package like dotenv.
What about accessing them in other languages like Ruby or Go?
In Ruby, you can use ENV['VARIABLE_NAME'], and in Go, you can use os.Getenv('VARIABLE_NAME').
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