Creating virtual environments with Pyenv

#Install Pyenv
$ brew install readline xz
$ brew install pyenv pyenv-virtualenv

#Add this to .bashrc
export PYENV_ROOT="$HOME/.pyenv"
export PATH="$PYENV_ROOT/bin:$PATH"
if command -v pyenv 1>/dev/null 2>&1; then
  eval "$(pyenv init --path)"
  eval "$(pyenv init -)"
  eval "$(pyenv virtualenv-init -)"
fi

#Install Python using Pyenv
$ pyenv install 2.7.16
$ pyenv install 3.7.4

#Create day-to-day environments
$ pyenv virtualenv 2.7.16 apps2
$ pyenv virtualenv 3.7.4 apps3

#Switch to a specific environment
pyenv local apps3

#Set default environment -> apps2
vi ~/.python-version

#Check version
pyenv versions
pyenv which python
pyenv which pip

#Uninstall day-to-day environment
pyenv uninstall apps2