Package Manager (pip3)

# List all installed packages
pip3 list

# Install package
pip3 install <package-name>

# Uninstall package
pip3 uninstall <package-name>

# Update pip3
pip3 install -U pip

Virtual Environments

# Install
pip install virtualenv virtualenvwrapper

# Make
mkvirtualenv -p python3 <virtualenv-name>

# Delete
rmvirtualenv <virtualenv-name>

# Enter
workon <virtualenv-name>

# Exit
deactivate