How To Install PIP to Manage Python Packages in Linux

Pip (recursive acronym for ???Pip Installs Packages??? or ???Pip Installs Python???) is a cross-platform package manager for installing and managing Python packages (which can be found in the Python Package Index (PyPI)) that comes with Python 2 =2.7.9 or Python 3 =3.4 binaries that are downloaded from python.org.