In Level 3, students will learn the advanced concepts of Python language and Object-Oriented Programming in Python. This level will cover Modules, Classes, OOP Concepts, Exception Handling, File Input/output, and Complex Algorithm Building. ** Python is widely used programming language from top companies (Google/YouTube, Dropbox, Pinterest etc) to the top universities. Python has become the most popular introductory programming language in many top universities. Eight of the top 10 computer science departments in US Universities, use Python to teach coding, as well as 29 of the top 39 schools use python programming language.