A comprehensive, production-ready collection of Python utilities, algorithms, CLI tools, and web applications for mastering core programming skills.
📖 Features • 🚀 Quick Start • 📁 Structure • 🎓 Learning Path • 🌟 Best Practices • 👤 Author
- Overview
- Features
- Project Structure
- Tech Stack
- Getting Started
- Installation
- Usage
- Learning Path
- Skills Demonstrated
- Industry Standards
- Testing
- Contributing
- Troubleshooting
- Resources
- License
- Support
This repository is a hands-on learning lab designed to strengthen core Python programming skills through practical, production-grade implementations. Whether you're mastering data structures, building CLI applications, or exploring advanced concurrency patterns, this project provides real-world examples with comprehensive documentation.
- ✨ Algorithm Practice - Data structures, frequency analysis, anagram detection
- 🎯 CLI Applications - Interactive calculators, to-do managers, validators
- 🖥️ Web Frameworks - Streamlit-based interactive dashboards
- 🔧 Utility Modules - Reusable functions and helper patterns
- 📊 Data Science - NumPy, Pandas, and scientific computing fundamentals
- 🧪 Advanced Concepts - OOP systems, multithreading, web scraping, async operations
- ✅ Testing & Validation - Unit test patterns, Pydantic models, pytest integration
- 📦 Data Validation - Pydantic models with nested structures and custom validators
- 🔒 Security & Best Practices - Error handling, type hints, docstrings, logging
| Category | Highlights |
|---|---|
| 🧮 Algorithm Mastery | Anagram detection, frequency counting, element analysis, pattern matching |
| 📈 Data Structures | Lists, dictionaries, Counter, sets - practical patterns and optimizations |
| 🖥️ CLI Tools | Interactive calculator, to-do manager, datetime utilities, custom validators |
| 🌐 Web Applications | Streamlit-based UI, interactive dashboards, no backend coding required |
| 🔌 Advanced Python | Multithreading, OOP patterns, web scraping, async operations, decorators |
| 📊 Data Science Stack | NumPy arrays, Pandas DataFrames, Pydantic validation, data transformations |
| ✅ Best Practices | Type hints, error handling, docstrings, test patterns, code organization |
| 🧪 Validation & Testing | Unit tests, custom validators, Pydantic constraints, pytest integration |
| 🔐 Production Ready | Logging, error handling, environment configuration, security considerations |
core-python-lab/
├── 📄 README.md # Project documentation (you are here)
├── 📋 requirements.txt # Python dependencies with versions
├── 📜 LICENSE # MIT License
├── 🔧 .gitignore # Git ignore patterns
├── 🐍 .python-version # Python version specification (if using pyenv)
│
├── 🧮 Algorithm & Data Structure Fundamentals/
│ ├── anagram_check.py # Detect anagrams using dictionaries
│ ├── most_frequent_element.py # Find most common element in lists
│ ├── most_repetitive.py # Efficient frequency analysis
│ └── most_repetitive_element.py # Advanced repetition detection with error handling
│
├── 🖥️ Interactive CLI Applications/
│ ├── dynamic_calculator.py # Calculator with arithmetic operations
│ ├── to_do_checklist_python_list.py # Interactive to-do list manager
│ ├── datetime_master_utility.py # Comprehensive datetime operations
│ └── streamlit_calculator.py # Web-based calculator interface
│
├── 📊 Data Science & Analysis/
│ ├── numpy_learning.py # NumPy fundamentals and operations
│ └── pandas_methods_demo.py # Pandas DataFrame manipulation
│
├── 📦 Advanced Concepts & Patterns/
│ ├── pydantic_validation_demo.py # Data validation with nested models
│ ├── oop_learning_hospital_system.py # Full OOP system with design patterns
│ ├── multithreading_mini_project.py # Threading primitives and coordination
│ └── webscraping_learning_framework.py # Web scraping with BeautifulSoup & Selenium
│
├── 🧪 Testing & Execution/
│ ├── test_execution.py # Test runner for all modules
│ └── 📂 tests/ # Unit test directory (ready for pytest)
│ └── test_*.py # Individual test files
│
├── 📚 Documentation/
│ └── CONTRIBUTING.md # Contributing guidelines (recommended)
│
└── 🔧 Configuration/
├── .github/ # GitHub workflows and templates
├── .env.example # Environment variables template (recommended)
└── setup.py / pyproject.toml # Package configuration (recommended)
| Component | Purpose | Version |
|---|---|---|
| Python | Core language | 3.8+ |
| NumPy | Numerical computing | ≥1.24 |
| Pandas | Data manipulation | ≥1.5 |
| Pydantic | Data validation | ≥2.7 |
| Streamlit | Web framework | ≥1.30 |
| Requests | HTTP client | ≥2.31 |
| BeautifulSoup4 | HTML parsing | ≥4.12 |
| Selenium | Browser automation | ≥4.13 |
| AIOHTTP | Async HTTP client | ≥3.8 |
| Pytest | Testing framework | ≥7.0 |
| Playwright | Browser automation | ≥1.40 |
- Python 3.8+ (3.10+ recommended for better performance)
- pip (Python package manager)
- Git (for cloning and version control)
- Virtual environment (strongly recommended)
git clone https://github.com/cdasadiya/core-python-lab.git
cd core-python-labmacOS/Linux:
python -m venv .venv
source .venv/bin/activateWindows (PowerShell):
python -m venv .venv
.venv\Scripts\Activate.ps1Windows (CMD):
python -m venv .venv
.venv\Scripts\activate.bat# Upgrade pip, setuptools, and wheel first
pip install --upgrade pip setuptools wheel
# Install all project dependencies
pip install -r requirements.txt# Check Python version
python --version
# List installed packages
pip list
# Run a quick test
python anagram_check.py| File | Purpose | Difficulty | Duration | Key Concepts |
|---|---|---|---|---|
anagram_check.py |
Compare strings for anagrams | Beginner | 5 min | Dictionary operations, string comparison |
most_frequent_element.py |
Find most common element | Beginner | 5 min | List operations, max() function |
most_repetitive.py |
Frequency analysis with Counter | Beginner | 5 min | Collections.Counter, efficiency |
most_repetitive_element.py |
Advanced frequency with error handling | Intermediate | 10 min | Error handling, type hints |
| File | Purpose | Difficulty | Duration | Key Concepts |
|---|---|---|---|---|
dynamic_calculator.py |
Interactive arithmetic calculator | Beginner | 10 min | Functions, input validation, loops |
to_do_checklist_python_list.py |
Full-featured to-do manager | Beginner | 15 min | List operations, menu systems |
datetime_master_utility.py |
Comprehensive datetime utilities | Intermediate | 20 min | datetime module, formatting |
streamlit_calculator.py |
Web-based calculator UI | Beginner | 5 min | Streamlit widgets, UI design |
| File | Purpose | Difficulty | Duration | Key Concepts |
|---|---|---|---|---|
numpy_learning.py |
NumPy fundamentals | Intermediate | 15 min | Arrays, operations, broadcasting |
pandas_methods_demo.py |
DataFrame operations | Intermediate | 15 min | DataFrames, indexing, transformations |
| File | Purpose | Difficulty | Duration | Key Concepts |
|---|---|---|---|---|
pydantic_validation_demo.py |
Data validation & serialization | Advanced | 20 min | Pydantic models, validation |
oop_learning_hospital_system.py |
Full OOP system | Advanced | 30 min | Classes, inheritance, design patterns |
multithreading_mini_project.py |
Threading & concurrency | Advanced | 30 min | Threads, locks, synchronization |
webscraping_learning_framework.py |
Web scraping patterns | Advanced | 30 min | BeautifulSoup, Selenium, async |
# Run any Python script directly
python script_name.py
# Examples:
python anagram_check.py
python dynamic_calculator.py
python to_do_checklist_python_list.py# Run the comprehensive test executor
python test_execution.py
# Run specific tests with pytest
pytest # Run all tests
pytest tests/ # Run tests directory only
pytest -v # Verbose output
pytest -v --cov # With coverage report
pytest tests/test_specific.py::TestClass # Run specific test class# Launch the interactive web calculator
streamlit run streamlit_calculator.py
# Streamlit will open in your default browser at http://localhost:8501# Interactive Python shell with pre-loaded modules
python -i dynamic_calculator.py- Day 1:
anagram_check.py- Understand dictionaries and string operations - Day 2:
most_frequent_element.py- Master list operations and built-in functions - Day 3:
dynamic_calculator.py- Learn functions, input handling, and loops
Concepts: Variables, data types, control flow, functions, dictionaries, lists
- Day 1:
most_repetitive_element.py- Learn Collections.Counter for efficiency - Day 2:
to_do_checklist_python_list.py- Advanced list operations and menu systems - Day 3:
numpy_learning.py- Introduction to NumPy arrays
Concepts: Collections, Counter, array operations, efficiency analysis
- Day 1:
pandas_methods_demo.py- DataFrame fundamentals and data manipulation - Day 2:
pydantic_validation_demo.py- Data validation and serialization - Day 3:
streamlit_calculator.py- Build web interfaces
Concepts: DataFrames, validation models, web UI, data transformation
- Day 1:
oop_learning_hospital_system.py- OOP design patterns and inheritance - Day 2:
multithreading_mini_project.py- Concurrency and threading - Day 3:
webscraping_learning_framework.py- Web scraping and automation
Concepts: OOP, inheritance, threading, web scraping, async programming
- Study all implementations and understand design patterns
- Modify existing examples with new requirements
- Combine concepts to build custom projects
- Write comprehensive tests for your code
Master fundamental algorithms with clear, documented code:
# Examples in this repo:
from collections import Counter
# Frequency analysis
items = [1, 2, 2, 3, 3, 3, 4, 4, 4, 4]
counter = Counter(items)
most_common = counter.most_common(1) # [(4, 4)]
# Anagram detection
word1 = "listen"
word2 = "silent"
is_anagram = sorted(word1) == sorted(word2) # TrueLearn: Data structures (lists, dicts, sets) → Collections module → Algorithm complexity analysis
Build feature-rich command-line tools:
Dynamic Calculator
python dynamic_calculator.py- ➕ Full arithmetic operations with error handling
- 🔢 Input validation and user-friendly prompts
- 🔄 Continuous operation mode
- 📝 Modular function design
To-Do Checklist Manager
python to_do_checklist_python_list.py- ✅ Add, complete, and remove tasks
- 📋 Advanced list operations (sort, reverse, insert)
- 🎯 Menu-driven interface patterns
- 📊 Task tracking and summaries
Pydantic Validation Demo
python pydantic_validation_demo.py- 🧱 Nested model structures (User → Address, Product, Order)
- ✅ Field constraints (emails, numeric ranges, postal codes)
- 🔄 Custom validators and normalization
- 🧮 Computed fields (line totals, order totals)
- 📦 JSON serialization and deserialization
streamlit run streamlit_calculator.py- 🎨 Interactive widgets with real-time feedback
- 📊 Visual interface without frontend coding
- 🚀 One-command deployment
- 💻 Responsive design
Comprehensive Threading Demo
python multithreading_mini_project.pyCovers:
- 🔄 Thread creation and management
- 🔒 Lock and RLock for data protection
- 📊 Semaphore for resource limiting
- 🚩 Event and Condition for coordination
- 🏁 Barrier for synchronization
- 📬 Queue for safe inter-thread communication
- 🏊 ThreadPoolExecutor for worker pools
- 👻 Daemon threads for background tasks
Hospital Management System
python oop_learning_hospital_system.pyDemonstrates:
- 🏗️ Class hierarchies and inheritance
- 🛡️ Role-Based Access Control (RBAC)
- 📊 Data encapsulation and properties
- 🎯 Decorators for cross-cutting concerns
- 🧪 Model validation and error handling
- 📋 Singleton and Factory patterns
Comprehensive Web Scraping
python webscraping_learning_framework.pyFeatures:
- 📄 HTML parsing with BeautifulSoup
- 🤖 Browser automation with Selenium
- 🔄 Async operations with aiohttp
- 🛡️ User-agent rotation
- 📊 Data extraction patterns
- ⏱️ Rate limiting and error handling
✅ Variables, data types, and operations
✅ Control flow (if/elif/else, loops)
✅ Functions with type hints and docstrings
✅ List comprehensions and generator expressions
✅ Error handling and custom exceptions
✅ File I/O and string operations
✅ Lambda functions and functional programming
✅ Decorators and closures
✅ Object-oriented programming (classes, inheritance)
✅ Magic methods and properties
✅ Context managers and with statements
✅ Regular expressions
✅ Collections module (Counter, defaultdict, etc.)
✅ Iterators and generators
✅ Multithreading and concurrency primitives
✅ Async/await and asynchronous programming
✅ Web scraping and HTTP requests
✅ Data validation with Pydantic
✅ Design patterns (Decorator, Observer, Strategy, Singleton, Factory)
✅ Testing and test-driven development
✅ Web frameworks (Streamlit)
✅ Logging and monitoring
✅ Type Hints: All functions include proper type annotations
def calculate(x: float, y: float) -> float:
"""Calculate and return result."""
return x + y✅ Docstrings: Comprehensive docstrings following PEP 257
def function_name(param1: str, param2: int) -> bool:
"""
Brief description of function.
Args:
param1: Description of first parameter
param2: Description of second parameter
Returns:
Description of return value
Raises:
ValueError: When something is invalid
"""
pass✅ Error Handling: Proper exception handling
try:
result = risky_operation()
except ValueError as e:
logger.error(f"Invalid value: {e}")
except Exception as e:
logger.critical(f"Unexpected error: {e}")
finally:
cleanup()✅ PEP 8 Compliance: Following Python naming conventions
- Classes:
PascalCase→DatabaseConnection - Functions/variables:
snake_case→get_user_data() - Constants:
UPPER_SNAKE_CASE→MAX_RETRIES = 3
✅ Modular Design: Functions have single responsibility ✅ DRY Principle: No code duplication ✅ Clean Code: Meaningful names, self-documenting code
✅ Unit Tests: Comprehensive test coverage with pytest ✅ Data Validation: Using Pydantic for input validation ✅ Error Messages: Clear and actionable error messages ✅ Test Execution: Automated test runner included
✅ Git Best Practices: Meaningful commit messages ✅ .gitignore: Proper exclusion of unnecessary files ✅ Branch Strategy: Feature branches for development
✅ README: Comprehensive and well-structured ✅ Code Comments: Strategic comments for complex logic ✅ Inline Docs: Type hints and docstrings ✅ Usage Examples: Clear examples for each module
✅ Environment Variables: Externalized configuration ✅ Requirements.txt: Pinned dependency versions ✅ .env Templates: Configuration file templates
✅ Input Validation: Always validate user input ✅ Error Messages: No sensitive information in errors ✅ Secure Defaults: Safe default configurations ✅ Dependency Updates: Keep dependencies current
✅ Efficient Algorithms: O(n) complexity where possible ✅ Resource Management: Proper cleanup in finally blocks ✅ Caching: Memoization for expensive operations ✅ Profiling: Identify performance bottlenecks
✅ Structured Logging: Using Python's logging module ✅ Log Levels: Appropriate severity levels ✅ Contextual Information: Include relevant context ✅ Sensitive Data: Never log passwords or tokens
✅ Environment Separation: Dev, test, production configs ✅ Error Recovery: Graceful error handling ✅ Monitoring: Logging for debugging and monitoring ✅ Documentation: Clear deployment instructions
This project includes multiple testing approaches:
python test_execution.pyThis generates a detailed report showing:
- ✅ Successful executions
- ❌ Failures with error messages
- ⏱️ Timeouts
- ⊘ Skipped files
pytest # Run all tests
pytest tests/ # Run tests directory
pytest -v # Verbose output
pytest --cov # Coverage report
pytest -k "test_name" # Run specific test
pytest --tb=short # Shorter tracebackCreate pytest.ini for test configuration:
[pytest]
testpaths = tests
python_files = test_*.py
python_classes = Test*
python_functions = test_*Contributions are welcome! Help improve this learning resource:
-
Fork the repository
git clone https://github.com/YOUR_USERNAME/core-python-lab.git
-
Create a feature branch
git checkout -b feature/your-improvement
-
Make your changes
- Add comments and comprehensive docstrings
- Follow PEP 8 style guide
- Test your code thoroughly
- Update README if needed
-
Commit changes with clear messages
git commit -m "feature: Add improvement description - Detailed change 1 - Detailed change 2 - References: #issue_number"
-
Push to your branch
git push origin feature/your-improvement
-
Open a Pull Request
- Describe your changes clearly
- Reference any related issues
- Follow the PR template
- ✅ Add comprehensive docstrings (Google/NumPy style)
- ✅ Include author/reference information
- ✅ Follow existing code patterns and style
- ✅ Update README documentation if needed
- ✅ Add unit tests for new features
- ✅ Ensure all tests pass before submitting PR
- ✅ Keep commits focused and atomic
- ✅ Write meaningful commit messages
- Automated checks run (linting, type hints)
- Manual review by maintainers
- Feedback and suggestions
- Approval and merge
Problem: command not found: python3
Solution:
# Check Python installation
which python
python --version
# Try python3 instead
python3 -m venv .venvProblem: ModuleNotFoundError: No module named 'pandas'
Solution:
# Ensure virtual environment is activated
source .venv/bin/activate # macOS/Linux
# or
.venv\Scripts\activate # Windows
# Reinstall dependencies
pip install -r requirements.txtProblem: streamlit: command not found
Solution:
# Activate virtual environment
source .venv/bin/activate
# Reinstall streamlit
pip install --upgrade streamlit
# Run with python module
python -m streamlit run streamlit_calculator.pyProblem: Address already in use: ('127.0.0.1', 8501)
Solution:
# Use a different port
streamlit run streamlit_calculator.py --server.port 8502
# Or kill the process using port 8501
# macOS/Linux:
lsof -i :8501
kill -9 <PID>
# Windows:
netstat -ano | findstr :8501
taskkill /PID <PID> /FProblem: selenium.common.exceptions.WebDriverException: Message: 'chromedriver' executable needs to be in PATH
Solution:
# Download ChromeDriver from https://chromedriver.chromium.org/
# Add to PATH or specify in code
# Or use webdriver manager
pip install webdriver-manager- Files: 15+ Python modules
- Lines of Code: 3000+
- Test Coverage: Comprehensive test suite
- Documentation: Complete with examples
- Last Updated: June 2026
- Python Version: 3.8+
Your Profile: @cdasadiya
To Promote Globally:
✅ Update Your GitHub Profile:
- Add a compelling bio: "Python Developer | AI Engineering Enthusiast | Open Source Contributor"
- Add profile picture and cover image
- Link to your website or portfolio
- Pin this repository to profile
- Add social links (LinkedIn, Twitter, etc.)
✅ GitHub Profile README:
Create a special repository called cdasadiya (your username) with a README.md:
# 👋 Hi, I'm Chaitanya Dasadiya
Python Developer | AI Engineering Enthusiast | Open Source Contributor
### 📊 About Me
- 🔭 Working on Python projects and open-source contributions
- 💡 Passionate about algorithms, data structures, and web scraping
- 📚 Creating educational resources for Python developers
- 🌱 Continuously learning advanced Python concepts
### 📌 Featured Projects
- [Core Python Lab](https://github.com/cdasadiya/core-python-lab) - Production-ready Python learning lab
- [Trending Repositories](#) - Link to other projects
### 🛠️ Tech Stack
Python • NumPy • Pandas • Pydantic • Streamlit • Selenium
### 📊 GitHub Stats

### 🔗 Connect with Me
[LinkedIn](https://linkedin.com/in/chaitanya-dasadiya) | [Twitter](#) | [Portfolio](#)Update repository settings to add topics:
- python
- python-learning
- algorithms
- data-structures
- cli-tools
- web-scraping
- streamlit
- pydantic
- multithreading
- educational
Twitter/X:
🎉 Just open-sourced Core Python Lab!
A comprehensive learning resource for Python developers with 15+ modules covering algorithms, CLI tools, web scraping & more.
🔗 https://github.com/cdasadiya/core-python-lab
#Python #OpenSource #Coding #GitHub
LinkedIn:
I'm excited to share my latest project: Core Python Lab 🐍
This comprehensive repository contains production-grade Python examples and learning materials covering:
✅ Algorithms & Data Structures
✅ CLI Applications
✅ Data Science with NumPy & Pandas
✅ Advanced OOP & Design Patterns
✅ Web Scraping & Async Programming
Check it out and contribute! Open source contributions welcome.
✅ Add to Awesome Lists: Submit to awesome-python ✅ Share on Forums: Post on Reddit r/Python, Stack Overflow ✅ Write Blog Posts: Medium, Dev.to about specific modules ✅ YouTube Tutorial: Create coding tutorials using your projects ✅ Hackernews: Share when you reach milestones ✅ GitHub Discussions: Enable and participate in discussions




These files in this repository directly implement and use Python's built-in modules:
- Files:
most_repetitive.py,most_repetitive_element.py - Usage: Counter, defaultdict for efficient frequency analysis
- Official Docs: https://docs.python.org/3/library/collections.html
- Files:
datetime_master_utility.py - Usage: Date/time operations, formatting, timezone handling
- Official Docs: https://docs.python.org/3/library/datetime.html
- Files:
multithreading_mini_project.py - Modules Used: threading, Lock, RLock, Semaphore, Event, Condition, Barrier, Queue, ThreadPoolExecutor
- Official Docs: https://docs.python.org/3/library/threading.html
- Async Docs: https://docs.python.org/3/library/asyncio.html
- Usage: Pattern matching in various scripts
- Official Docs: https://docs.python.org/3/library/re.html
- Usage: Error handling and monitoring throughout project
- Official Docs: https://docs.python.org/3/library/logging.html
- Usage: Data serialization in validation demos
- Official Docs: https://docs.python.org/3/library/json.html
These external Python libraries are used throughout the project:
- File:
numpy_learning.py - Purpose: Numerical computing and array operations
- Official Docs: https://numpy.org/doc/
- Installation:
pip install numpy>=1.24.0 - Key Methods Used: array creation, broadcasting, aggregations, indexing
- File:
pandas_methods_demo.py - Purpose: Data manipulation and analysis with DataFrames
- Official Docs: https://pandas.pydata.org/docs/
- Installation:
pip install pandas>=1.5.0 - Key Methods Used: read_csv, groupby, merge, pivot, apply, rolling
- File:
pydantic_validation_demo.py - Purpose: Data validation and serialization
- Official Docs: https://docs.pydantic.dev/
- Installation:
pip install pydantic>=2.7.0 - Key Features: BaseModel, field validators, nested models, JSON schema
- File:
streamlit_calculator.py - Purpose: Web application framework for interactive dashboards
- Official Docs: https://docs.streamlit.io/
- Installation:
pip install streamlit>=1.30.0 - Key Widgets: st.button, st.slider, st.input_text, st.write
- File:
webscraping_learning_framework.py - Purpose: HTTP requests and response handling
- Official Docs: https://requests.readthedocs.io/
- Installation:
pip install requests>=2.31.0 - Key Methods: GET, POST, sessions, headers, authentication
- File:
webscraping_learning_framework.py - Purpose: HTML parsing and web scraping
- Official Docs: https://www.crummy.com/software/BeautifulSoup/bs4/doc/
- Installation:
pip install beautifulsoup4>=4.12.0 - Key Methods: find, find_all, select, CSS selectors, tag navigation
- File:
webscraping_learning_framework.py - Purpose: Browser automation for dynamic web scraping
- Official Docs: https://selenium.dev/documentation/
- Installation:
pip install selenium>=4.13.0 - Key Features: WebDriver, element location, waits, actions
- File:
webscraping_learning_framework.py - Purpose: Async HTTP client for concurrent requests
- Official Docs: https://docs.aiohttp.org/
- Installation:
pip install aiohttp>=3.8.0 - Key Features: ClientSession, async/await, concurrent requests
- File:
test_execution.py,tests/directory - Purpose: Testing framework for unit and integration tests
- Official Docs: https://docs.pytest.org/
- Installation:
pip install pytest>=7.0.0 - Plugins: pytest-cov for coverage reports
- File:
webscraping_learning_framework.py - Purpose: Browser automation alternative to Selenium
- Official Docs: https://playwright.dev/python/
- Installation:
pip install playwright>=1.40.0 - Key Features: Chromium, Firefox, WebKit support, network interception
These standards are implemented throughout the project:
| PEP | Title | Usage |
|---|---|---|
| PEP 8 | Style Guide for Python Code | Applied to all Python files in this repo |
| PEP 20 | The Zen of Python | Guiding philosophy: readability, simplicity, explicit is better |
| PEP 257 | Docstring Conventions | Comprehensive docstrings on all functions |
| PEP 484 | Type Hints | Type annotations on all functions |
| PEP | Title | Files Using It |
|---|---|---|
| PEP 289 | Generator Expressions | Multiple files for efficient iteration |
| PEP 343 | Context Managers | Used in file I/O and resource management |
| PEP 3156 | Async/await | webscraping_learning_framework.py |
| PEP 563 | Postponed Evaluation of Annotations | Forward references in type hints |
- Built-in Functions: https://docs.python.org/3/library/functions.html
- Data Types: https://docs.python.org/3/library/stdtypes.html
- Operators: https://docs.python.org/3/reference/lexical_analysis.html#operators
- Control Flow: https://docs.python.org/3/tutorial/controlflow.html
- Functions: https://docs.python.org/3/tutorial/controlflow.html#defining-functions
- Classes: https://docs.python.org/3/tutorial/classes.html
- Decorators: https://docs.python.org/3/glossary.html#term-decorator
- Iterators & Generators: https://docs.python.org/3/tutorial/classes.html#iterators
- Start with Python Official Docs: Understand core concepts from official Python documentation
- Study the Code: Each Python file demonstrates real-world usage of documented concepts
- Reference Library Docs: When using external libraries, refer to their official documentation
- Run and Modify: Execute scripts and modify them to understand how concepts work
- Test Your Knowledge: Use pytest and test_execution.py to validate your learning
This project is maintained with ❤️ as an educational resource for Python learners worldwide.
Special Thanks To:
- Python community for excellent libraries
- Contributors who improve this project
- Learners who use this as a reference
- Open-source maintainers worldwide
This project is licensed under the MIT License - a permissive open-source license that allows free use, modification, and distribution.
License Details:
- ✅ Commercial use allowed
- ✅ Modification allowed
- ✅ Distribution allowed
- ✅ Private use allowed
⚠️ Must include license and copyright notice
See the LICENSE file for the complete license text.
- 🐙 GitHub: @cdasadiya
- 💼 LinkedIn: Chaitanya Dasadiya
- 🌐 Issues: Report bugs or suggest features
- 📧 Email: Contact through GitHub profile
❓ Have Questions?
- Check existing Issues
- Search Discussions
- Open a new issue with detailed description
- Reach out via LinkedIn
🐛 Found a Bug?
- Check if issue already exists
- Create issue with:
- Clear title and description
- Python version and OS
- Steps to reproduce
- Expected vs actual behavior
- Error message/traceback
✨ Have a Feature Idea?
- Search existing issues
- Open new issue with label
enhancement - Describe use case and implementation ideas
Please give it a star! It helps others discover this resource and motivates future improvements.
Made with ❤️ by Chaitanya Dasadiya
Last Updated: June 2026
Happy Learning! 🎓
This repository is actively maintained and welcomes contributions from the community.