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pyenv

Create environment

pyenv virtualenv <python-version> <env-name> 

Activate environment

pyenv activate <env-name> 

Activate environment automatically

cd <project-dir>
pyenv local <env-name>

Deactivate environment

pyenv deactivate 

List python verions installed

pyenv versions

Current python used

pyenv version

Install an additional version

pyenv install <python-version>