What to do when Python starts up in Anaconda does not come out unexpectedly

I have Python 3.9.0 installed on Mac Os, and when I check it with pyenv, it is displayed as 3.9.0.

$ python -V

When you enter

Python 3.8.5

Has been displayed. I should have installed and used Django at the end of the phrase, but for some reason it didn't start up.

I was in trouble

$ which python

When I confirmed it with, it started up with Python of Anaconda.

I wanted to match the versions of Python and Django to participate in the development, but I didn't want to uninstall it because I wanted to use Jupyter Lab in my production.

Commands that are useful in such cases but do not appear much even if you look them up

$ conda deactivate

is.

You can quit Anaconda until you drop the terminal, and if you restart the terminal, Anaconda will be running again.

Also, I don't know the cause anyway, but I think it's a good command when you don't want to run it in the Anaconda environment now.

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