🐍 Python Learning From Zero — 30-Day Complete Mastery Course

A comprehensive, industry-aligned 30-day curriculum designed to take engineers from fundamental syntax to building modular, production-ready Python applications, data science workflows, object-oriented systems, and REST API integrations.

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📅 Complete 30-Day Curriculum Roadmap

🧱 Phase 1: Python Core Foundations (Days 01 – 07)

Day	Topic	Key Concepts	Lab Code
Day 01	Variables & Setup	Execution Model, Dynamic Typing, Identifiers	variables.py
Day 02	Data Types & Casting	Primitives (int, float, str, bool), Truthy/Falsy	datatypes.py
Day 03	Operators & Expressions	Arithmetic, Bitwise, Comparison, Identity (is)	operators.py
Day 04	Strings & Slicing	Immutability, Negative Indexing, f-strings	strings.py
Day 05	Conditional Branching	if/elif/else, Ternary Expressions, match-case	conditionals.py
Day 06	Loops & Iteration	for, while, range(), enumerate(), zip()	loops.py
Day 07	Loop Control	break, continue, pass, for-else clauses	loop_control.py

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📦 Phase 2: Data Structures & Collections (Days 08 – 12)

Day	Topic	Key Concepts	Lab Code
Day 08	Lists & Comprehensions	Mutable Sequences, Sorting, 1-Line Comprehensions	lists.py
Day 09	Tuples & Immutability	Packing/Unpacking, Memory Safety, namedtuple	tuples.py
Day 10	Dictionaries & Key-Value	Hash Tables, $O(1)$ Lookups, Dict Comprehensions	dictionaries.py
Day 11	Sets & Set Theory	Unions, Intersections, Differences, Deduplication	sets.py
Day 12	Functions & Scope	Return Values, Type Hints, LEGB Variable Scoping	functions.py

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⚙️ Phase 3: Advanced Functions & System I/O (Days 13 – 17)

Day	Topic	Key Concepts	Lab Code
Day 13	Advanced Functions	*args, **kwargs, First-Class Functions, Lambdas	advanced_func.py
Day 14	Functional Programming	map(), filter(), reduce(), Generators (yield)	functional.py
Day 15	File Handling	with open(), Context Managers, Pathlib, Streams	file_io.py
Day 16	Exception Handling	try-except-finally, Custom Exceptions, raise	exceptions.py
Day 17	Modules & Packages	__init__.py, __main__, sys.path, pip, venv	modules.py

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🏛️ Phase 4: Object-Oriented Architecture (Days 18 – 22)

Day	Topic	Key Concepts	Lab Code
Day 18	Classes & Objects	Constructors __init__, self, Attributes	oop_basics.py
Day 19	Class & Static Methods	@classmethod, @staticmethod, Factory Patterns	oop_methods.py
Day 20	Inheritance & Polymorphism	Subclasses, super(), Method Overriding	inheritance.py
Day 21	Encapsulation & Properties	Private State, Name Mangling, @property Getters	encapsulation.py
Day 22	Magic Dunder Methods	__str__, __repr__, Operator Overloading	dunder_methods.py

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🚀 Phase 5: Intermediate Tooling & Data Science (Days 23 – 29)

Day	Topic	Key Concepts	Lab Code
Day 23	Regular Expressions	Pattern Matching, Groups, Email/Phone Parsing	regex.py
Day 24	JSON & CSV Handling	json.dumps/loads, csv.DictReader/Writer	json_csv.py
Day 25	REST APIs & Networking	HTTP Protocol, Endpoints, Parsing API Responses	networking.py
Day 26	SQLite Database Operations	Embedded SQL, Parameterized Queries, CRUD	database.py
Day 27	Introduction to NumPy	Multidimensional Ndarrays, Vectorized Math	numpy_intro.py
Day 28	Introduction to Pandas	Series, DataFrames, Filtering, GroupBy	pandas_intro.py
Day 29	CLI Tooling with Argparse	Flag Parsing, Choice Validation, Shell Utilities	cli_app.py

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🏆 Phase 6: Final Capstone Project (Day 30)

Day	Topic	Key Concepts	Lab Code
Day 30	Capstone Application	End-to-End Task Management Engine (OOP, JSON, Logging)	capstone.py

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🛠️ How to Use This Course

# 1. Clone the repository
git clone https://github.com/Shaayan-shah/Python-Learning-From-Zero.git
cd Python-Learning-From-Zero

# 2. Run any day's interactive lab:
python Day-01-Variables-and-Environment-Setup/variables_and_environment_setup.py
python Day-18-OOP-Classes-and-Objects/oop_classes_and_objects.py
python Day-30-Capstone-Project-Modular-System/capstone_project_modular_system.py

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📜 License

MIT License • Created and maintained by Shayan Shah