Python Tutorials

Hands-on tutorials: learn Python by building real projects, from games and automation to machine learning and security.

Why Learn Python for Data Science in 2024

Explore why you should learn Python programming language for learning data science in 2023

How to Generate and Visualize Text Embeddings in Python

Learn how text embeddings work in Python using Sentence Transformers. Generate embeddings, compare semantic similarity, and visualize the embedding space with PCA, t-SNE, heatmaps, and dimension analysis.

Big Data Modeling in ClickHouse and PostgreSQL

This article compares ClickHouse and PostgreSQL for big data modeling, examining their approaches, advantages, and disadvantages. It aims to guide businesses in choosing the right database system for effectively managing and leveraging big data.

SQL Analytics at Lightning Speed: Getting Started with DuckDB in Python

Learn how to use DuckDB in Python for lightning-fast SQL analytics on CSV, Parquet, and JSON files. Covers installation, querying, hybrid Pandas/Polars workflows, and performance tips.

How to Build a Website Blocker in Python

Learn how to build a cross-platform website blocker in Python that modifies the hosts file to block distracting sites. Includes scheduling with cron and Task Scheduler. Pure standard library — no pip install needed.

How to Use Python to Track Google Search Results and Reviews Over Time

Learn how to use Python to scrape Google search results and review ratings. Track changes over time to monitor SEO, online reputation, and competitor activity.

How to Build a Semantic Search Engine with FAISS and Sentence Transformers in Python

Build a fully local semantic search engine in Python using FAISS and Sentence Transformers. Learn how embeddings work, index vectors, run semantic queries, and visualize the embedding space with PCA.

How to Build a File Deduplication Tool in Python

Learn how to build a Python tool that scans directories, finds duplicate files by SHA256 hash, and calculates reclaimable disk space. Features Rich progress bars, tables, and a clean CLI experience.

Nearshore vs Offshore: Cost-Effective Software Development

Discover the key differences between nearshore and offshore software development. Learn which model offers the best balance of cost, quality, and collaboration for your project.

How to Analyze the Most In-Demand Tech Skills from Job Postings in Python

Learn how to build a Python tool that scans job postings, detects in-demand tech skills using regex, ranks them by demand, and visualizes the results with matplotlib. Practical, extensible, and ready for real datasets.

How to Track Your AI Visibility with Python

Learn how to programmatically track your brand's AI visibility across ChatGPT, Gemini, Claude, Perplexity, and Google AI using Python and the RankBits API. Full code included.

A Simple, Easy-to-Follow Guide to Python Coding on Apple-Based Machines

A quick guide to setting up Python on macOS, covering installation, tools (IDEs), virtual environments, learning resources, and basic best practices for a secure and efficient workflow.

Discover the Possibilities of Python Programming

Discover the possibilities of Python programming — from machine learning and ethical hacking to web scraping and automation. Learn how to set up your environment, deploy to a server, and turn scripts into real-world software.

Beyond Guesswork: How Python Helps Identify AI-Generated Text

Learn how to detect AI-generated text in Python using preprocessing, feature extraction, and a scikit-learn classifier that estimates whether a document was written by a human or a machine.