pip install 
#This installs the files.

import 
#This makes the classes and functions in the files ready for use in your Python project.
#Some packages are pre-installed, you can import them using import  without installing them via pip install .
#This website has a list of pre-installed packages - https://docs.qubole.com/en/latest/user-guide/package-management/pkgmgmt-preinstalled-packages.html.