16 Dependencies and Virtual Environments
Python runs in an environment defined by the OS. There are some slight differences between Windows, macOS, and most Linux environments. We’ll set aside micro-controller environments, since the ability to tailor those environments is quite a bit more involved. We’ll try to minimize the OS differences to focus on the common aspects that are universally available.
There are several common aspects within run-time environments. We can divide these into two groups:
Persistent
Aspects of the environment that change slowly.
The Python run-time in use. This includes a binary application and often includes a number of external libraries.
The standard libraries available. These are accessed via the importer, and ...
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