added python-academy intro

py/python-academy/opc/overview.md

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+# Interactive Python Course
+
+A comprehensive Python course designed to change the way you think about Python forever.
+Together we will walk the path to understand how this language works and gain all the necessary skills to use it effectively at work.
+
+## Module 0: Introduction
+
+In this short module, we'll take a look at how this course's platform works and learn how to get the most out of it. And also get information about our community.
+
+- [Introduction](./m0/introduction.md)
+- Course structure
+- Community
+- Python installation
+
+## Module 1: Fundamentals of Python I
+
+This module is designed to give you a basic understanding of Python fundamentals and fill in potential gaps.
+In this module, we will get acquainted with basic data types, variables, conditional statements, loops, and functions.
+
+- Variables
+- Scope of variables
+- Basic data types
+  - Numeric data types
+  - String data types
+  - Boolean data type
+- Functions
+- Conditional statement. The if operator
+- Complex data types
+  - Lists
+  - Tuples
+  - Sets
+  - Dictionaries
+- Iterations and loops
+
+## Module 2: Fundamentals of Python II
+
+In this module, we will continue exploring the basic capabilities of Python.
+We will cover working with libraries, files, introductory concepts of object-oriented programming, and basic exception handling.
+This knowledge will complete the essential foundation for further programming in Python.
+
+- Using libraries
+  - Built-in libraries
+  - Third-party libraries and pip
+  - Modules in Python
+- Working with files
+  - Reading and writing text files
+  - Working with structured files (JSON, CSV)
+- Object-oriented programming
+  - Classes and objects
+  - Attributes and methods
+  - Inheritance
+  - Encapsulation
+  - Polymorphism
+- Lambda functions
+- Exception handling
+- Decorators
+- Working with dates and time
+- Type annotations
+
+## Module 3: Advanced Python
+
+In this module we move beyond the basics to the topics that let you build reliable, scalable, production‑ready applications.
+We will cover testing, concurrency and async, database work, and project preparation & maintenance.
+
+- Databases and Python
+  - SQLite in Python
+  - SQLAlchemy Core
+  - SQLAlchemy ORM
+- Introduction to testing
+  - Pytest basics
+  - Pytest – fixtures & parametrization
+  - Mocking & stubs
+  - The unittest module
+  - Coverage & CI
+- Parallel and asynchronous programming
+  - Threading in Python
+  - Multiprocessing in Python
+  - Asynchronous programming
+  - Advanced asynchronous programming
+  - Concurrency and async: best practices