PIP3 VIRTUALENV INSTALL
They also allow you to install different versions of the same library for different projects, which resolves what would be impossible if all of your projects' requirements were installed in the same environment. Virtual environments are key to creating the isolation you need to safely tinker with different versions of Python and different combinations of packages. It's also possible to install other libraries, but you must take care not to interfere with anything the system relies on. Although it's possible to upgrade your system Python, it's not recommended.
You may need to install some additional libraries, too. You may need to install another version of Python than the operating system provides. But it's your computer, and you may want to use it for your own purposes. If you use a macOS or Linux-based operating system, it very likely comes with a version of Python as part of the installation, and in fact, it will probably be dependent on that particular version of Python to function properly.
Virtual environments are a way of separating your Python project and its dependencies from your system-installed Python. Python programmers use several different tools to manage their environments, and the one I use is called virtualenvwrapper. Python 3.3 even added the built-in venv module for creating environments without third-party libraries. Welcome to the communityįor some time, Python has included support for managing virtual environments.
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