You will *reactivate* your virtual environment(s) every time you need to run code related to this project. We will be using the AWS Lambda runtime for the latest stable version of Python 3 - python3.7. Notice how I no longer have to use `C:\Python310\python.exe`? Installing Python 3 and Pyenv on MacOS, Windows, and Linux. (myvenv) python -m pip install pip -upgrade `myvenv` is the name of the virtual environment (in this case). Hopefully you see the logic in the fact that if you use Python 2.7 to write a program it *might not* run on Python 3.10 simply because they are different versions.Īs a beginner, this step might *feel pointless* but I promise as your skills grow you will certainly come to appreciate this step.ĭo you see how we used `C:\Python310\python.exe -m` again? Yup, `venv` is a built-in package to Python.
**If you write a program using a specific version of Python, it may or may not work using another version of Python.** Major new features of the 3.8 series, compared to 3. Python 3.11 is now the latest feature release series of Python 3. Make sure you select the Install launcher for all users and Add Python 3.7 to PATH checkboxes. (In this example, we have downloaded Python 3.7.3.) 2. Technically speaking, this is *definitely* possible but it poses a new problem: Release Date: This is the third maintenance release of Python 3.8 Note: The release you're looking at is Python 3.8.3, a bugfix release for the legacy 3.8 series. Run the Python Installer once downloaded. Remember how in step 1 we installed the latest version of Python 3.10? What if we wanted our system to use Python 3.6? Or Python 3.8?
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