To install it, copy the line below and paste it into your Terminal window: /bin/bash -c "$(curl -fsSL )" If you haven’t used it before, Homebrew is a popular package manager for macOS. We’ll install PyEnv using a tool called Homebrew. How to choose which version of Python you want to use for a specific project.How to install a specific version of Python on your machine.Using this tool, you can take advantage of all the latest features of Python 3.9, meanwhile ensuring that software requiring older versions of Python (like 2.7) continue to work on your machine. PyEnv is a useful open source tool for managing multiple Python versions on your machine. In other words, if you remove this version - things may break.Īlso, if you use Python professionally, you’ll likely need to use specific versions for different projects, so it’s useful to be able to switch versions as needed.
This is not recommended because there may be some software on your macOS which requires Python 2.7 to run. So you might be thinking: Why not remove the old version (2.7) and replace it with a newer version like 3.9 using the traditional installation method? However, the version installed is usually 2.7, which was deprecated on January 1st 2020.
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