What is the difference between modules , packages and libraries in python?

Answer 1

Module is a file which contains python functions , global variables etc. It is nothing but .py file which has python executable code / statement.

Package is namespace which contains multiple package/modules.

Library
It is collection of various packages. There is no difference between package and python library conceptually.

Answer 2

Module is a set of functions, globals and classes that you can import. Package or library is a set of modules.