![]() Once it creates a virtual environment you install packages in the environment using pip. It’s not part of Python’s standard library therefore needs to be installed. Virtualenv: a tool that handles the creation of isolated Python environments that hold their own libraries or packages. These are not required or discussed here because P圜harm will handle it once you create and work on your project. In cases where P圜harm is not used, the Python version needs to be activated and changed manually using some pyenv command line options. It is useful in situations where you need to test an old program written in Python 2.7, but all your new work requires Python 3.8. Pyenv: a tool that installs and creates isolated Python interpreter/versions. All Python code you will write will be written in a project created in P圜harm using its editor. P圜harm: an integrated development environment (IDE) for the Python language. UI based software like P圜harm can still be installed with brew but it uses a plug-in called cask that is automatically installed along with brew and invoked through brew as a command-line option. brew): A free and open-source software package management system that makes it easier the installation of software that (primarily does not have a UI) on MacOS and Linux. With that in mind we will have completely independent version of Python installed. It is not recommended that you uninstall, replace or mess with the default python installation because some applications or OS scripts may require it.
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