Install python the right way on macos

gistfile1.txt

#!/bin/zsh

if ! command -v brew &> /dev/null
then
    /bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)"
fi

brew update
brew install pyenv pyenv-virtualenv

touch ~/.zprofile

cat > ~/.zprofile << EOF
if which pyenv-virtualenv-init > /dev/null; then eval "\$(pyenv virtualenv-init -)"; fi
EOF


touch ~/.zshrc
cat > ~/.zshrc << EOF
export PYENV_ROOT="$HOME/.pyenv"
export PATH="$PYENV_ROOT/bin:$PATH"
export PIPENV_PYTHON="$PYENV_ROOT/shims/python"

plugin=(
  pyenv
)

eval "$(pyenv init --path)"
eval "$(pyenv init -)"
eval "$(pyenv virtualenv-init -)"
EOF


source ~/.zprofile
source ~/.zshrc

xcode-select --install

echo -e "\n\n*==============================================================================*\n"
echo -e " pyenv and pyenv-virtualenv are now installed\n"
echo -e " \n"
echo -e " List available python versions: pyenv install -l\n"
echo -e " Install python:                 pyenv install <version>\n"
echo -e " List installed python versions: pyenv versions\n"
echo -e " Set global python version:      pyenv global <version>\n"
echo -e " Create virtualenv:              pyenv virtualenv <version> <venvname>\n"
echo -e " Activate virtualenv:            pyenv activate <venvname>\n"
echo -e " Deactivate virtualenv:          pyenv deactivate\n"
echo -e " Set virtualenv for directory:   echo <venvname> > <directory>/.python-version\n"
echo -e " Delete a virtualenv:            pyenv virtualenv-delete\n"
echo -e " \n"
echo -e " virtualenv will automatically activate when changing directory\n"
echo -e " To setup a new project simply create the virtualenv and set its name in .pythonversion\n"
echo -e "*==============================================================================*\n"
read -rsp $'Press any key to continue...\n' -n1 key </dev/tty