Python - from None to AI

License
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Basics

1. About
2. Syntax
3. Numeric
4. Logic
5. Strings
6. Iterables
7. Mappings
8. Unpack
9. Conditional
10. While
11. For
12. Comprehensions
13. Files
14. Functions
15. Exceptions
16. OOP
17. Recap

Intermediate

1. About
2. Syntax
3. Star
4. Match
5. Encoding
6. Regex
7. Datetime
8. Idiom
9. Iterator
10. Enum
11. Pathlib
12. Modules
13. Logging
14. Serialization
15. Pickle
16. TOML
17. CSV
18. JSON
19. OOP

Advanced

1. About
2. Syntax
3. Typing
4. OOP Dataclass
5. OOP Paradigm
6. OOP Inheritance
7. OOP Metaprogramming
8. OOP Operator
9. OOP Accessors
10. FP Paradigm
11. FP Apply
12. FP Patterns
13. Generators
14. Async Paradigm
15. Async AsyncIO

Performance

1. About
2. Multiprocessing
3. Threading
4. Optimization
5. Case Study
6. Extensions

Testing

1. About
2. Random
3. Syntax
4. Doctest
5. Unittest

CI/CD

1. DevTools
2. Distribute
3. Lint
4. Quality
5. Security
6. Webdev

DevOps

1. About
2. Quality
3. Tests
4. Debugging

Database

1. About
2. Theory
3. ORM
4. Normalization
5. NoSQL
6. SQL
7. SQLite3
8. SQLAlchemy
9. Case Study

Design Patterns

1. About
2. UML
3. OOP
4. Inheritance
5. Abstract
6. Decorators
7. Creational
8. Behavioral
9. Structural

Numpy

1. About
2. Array
3. Attributes
4. Random
5. Indexing
6. Operations
7. Methods
8. Statistics
9. Math
10. Polynomial

Pandas

1. About
2. Read
3. To
4. Series
5. DataFrame
6. Date
7. Case Study

Matplotlib

1. About
2. Figure
3. Style
4. Chart
5. Case Study

Stdlib

1. Modules
2. Collections
3. Math
4. Locale
5. XML
6. Operating System
7. String
8. Builtin
9. Type
10. Loop
11. TkInter

Network

1. About
2. Protocol
3. Web
4. Transport
5. Case Study

Microservices

1. About
2. HTTP
3. Microservices
4. Auth

Django

1. About
2. Setup
3. Settings
4. Models
5. Admin
6. ORM
7. Views
8. Templates
9. Templatetags
10. Forms
11. Manage
12. Locale
13. Middleware
14. Utils
15. Auth
16. API
17. Ninja
18. Tests
19. Apps
20. Deploy

FastAPI

1. About
2. FastAPI
3. Pydantic
4. Database
5. Auth
6. DevOps
7. Case Study

Data Science

1. About
2. Jupyter
3. Python
4. Visualization
5. Scipy
6. Geopandas

Machine Learning

1. About
2. Introduction
3. Sklearn
4. Model Quality
5. Decision Trees
6. Regressions
7. K-Nearest Neighbors
8. Bayes
9. Support Vector Machines
10. Clustering
11. Neural Networks
12. References
13. Articles

Artificial Intelligence

1. About

OOP

1. Paradigm
2. Python

Dragon

1. English
2. Polish
3. ADR

Python - from None to AI

1. Modules
3.5. Math Fractions

3.5. Math Fractions

Fractions class from fractions

3.5.1. Defining fractions

from fractions import Fraction


a = Fraction(1, 3)
b = Fraction(1, 9)

a + b
# Fraction(4, 9)

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© Copyright 2025, Matt Harasymczuk <matt@python3.info>, last update: 2025-01-14.