Check installation

# check python installation
which python

# check python version
python -V # capital V

Install using pyenv

# Install pyenv
curl https://pyenv.run | bash

# Update pyenv
pyenv update

# view which python versions exist in local
pyenv versions

# list available versions for installation
pyenv install -l

# install specified version
pyenv install 3.11.11

# set python version using pyenv
pyenv global 3.11.11

# check python version
python --version

Virtual Environment

# create a virtual environment
pyenv virtualenv 3.10.13 <env-name>

# activate virtual environment
pyenv activate <env-name>

# set local python version in project folder
pyenv local <env-name>

Creates .python-version in the project folder.

• virtualenv is auto-activated when you cd into the folder.

Plain Installation (not recommended)

# Homebrew
brew install python

## In `.zshrc`, connect PATH
export PATH="$(brew --prefix)/opt/python@3.11/libexec/bin:$PATH"

# check python version
python --version

# command using specific version
python3