🧠 What is List Comprehension? List comprehension is a concise and elegant way to create lists in Python. Instead of using multiple lines with for loops and append(), you can generate a new list in just one line. # Traditional way squares = [] for x ...
When I started learning about uv, I was confused. The docs were solid but there was no guidance on best practices or common pitfalls or what not to do. Look at these commands: uv init uv venv source .venv/bin/activate uv add polars marimo uv pip in...
Mutability is one of those fundamental concepts that every Python developer must grasp. In this article, let's explore what mutability means in Python, how everything in Python is really an object in memory, and how references, not values, govern whe...
Want to build a tool that can read text from images — like scanned documents, screenshots, IDs, or invoices? With Python and Tesseract OCR, you can extract text from almost any image. This post will guide you through: Installing Tesseract and pytess...
Objective: This script processes a list of user actions (e.g., login, logout, error) using structural pattern matching (match statement) and sets to track unique users. It demonstrates: control structures, sets, functions, exception handling, and...
Need a terminal-based countdown timer for your script? Maybe to delay tasks, simulate loading, or create focus timers? In this post, you'll build a sleek countdown timer using: time.sleep() for delays tqdm for terminal progress bars argparse to cu...
Script demonstrates decorators and lambda functions by implementing a simple task: timing function execution and processing a list of numbers with lambda-based operations (e.g., square, cube). Objective: Understand Decorators and Lambda What New...
In Python, a module is simply a .py file containing reusable code such as functions, classes, or variables. You can import built-in modules or create your own custom ones within a project. Importing Built-in and Custom Modules import os print(os.getc...
How Does Python Work Behind the Scenes? 1. Source Code Execution When you write Python code, this source code isn't directly understood by your computer. # my_program.py def greet(name): return f"Hello, {name}!" message = greet("Pytho...
Objective: Building a Email Validator in Python where script can processing a list of user inputs to generate a report of valid email addresses and their domains. It demonstrates: variables, control structures (nested loops and conditionals), func...
