What is it

PIP is a package installer for Python.

# check pip version
pip --version

# use specific version
pip3

# List installed packages
pip list

# Install package
pip3 install <package_name>

# Check specific package
pip show <package_name>

# View contents of `pipfile.lock` in pipenv 
pipenv lock -r

Automating Installation through Scripting

pip3 install -r requirements.txt