[Python] How can I make poetry install the Python version required in pyproject.toml?

One thing about poetry seems really odd to me:

When you install poetry, it installs the latest Python version and uses this as a default for all poetry projects. If a different Python version is required as per a per the project's pyproject.toml, the poetry documentation states that you must point poetry to a suitable Python executable via poetry env use.

But that means that you need to already have said Python version installed manually.

Isn't the whole point of a dependency manager to install all the right dependency versions for you inside the virtual environment, including the required Python version?

Is there a way to get poetry to install the right Python version automatically or do I have to manually manage the various Python versions that all my poetry projects require?

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