Python Break and Continue Statements

Complete Python Testing Guide by Jan Giacomelli is out 🚀 Learn how to write better tests with your AI agents to deliver better software faster. Including agent files - CLAUDE .MD and .cursorrules https://lnkd.in/ecD3e9_8

🐍📺 In this video course, you'll learn how to use the pathlib module to carry out file path operations with Python. These operations include creating, iterating over, searching for, moving, and deleting files and folders #python

🚀 Learning Python the Practical Way: Understanding Virtual Environments Over the past few days, I started learning Python and decided to focus on building instead of just reading syntax. Today, I explored one of the most important concepts for any developer: Virtual Environments (venv) Here’s what I understood: 🔹 A virtual environment is an isolated Python setup for a specific project 🔹 It prevents version conflicts between different projects 🔹 Each project can have its own dependencies without affecting others 💡 Why it matters: While working on multiple projects, different versions of the same library can break things. Virtual environments solve this by keeping everything separate and controlled. 🛠️ What I practiced: Creating a virtual environment Activating and deactivating it Installing packages inside it Understanding how Python uses project-specific paths This concept is very similar to how we manage dependencies in Node.js projects, but implemented differently in Python. Next step: Building a simple backend server using FastAPI to apply this knowledge in real projects. #Python #BackendDevelopment #FastAPI #WebDevelopment #LearningInPublic

Day 46 : Python Conditional Statements – If/Else Today I understood the conditional statements used in Python. Hands-on : - Today I learned about conditional statements in Python, which are used to control the flow of a program based on conditions. - I started with the basic syntax of the if statement, understanding how Python evaluates conditions and executes code blocks. -I then explored the if/else statement, which allows execution of alternate code when a condition is false. - Moving forward, I practiced if/elif/else statements to handle multiple conditions efficiently. - I also learned how to write if/else in a single line (ternary operator), which makes simple conditions more concise. - Finally, I explored nested if/else statements, where one condition is placed inside another to handle more complex logic. Result : - Successfully understood how to implement conditional logic in Python using different forms of if/else statements. Key Takeaways : - If statement executes code only when a condition is true. - If/Else provides an alternative execution path. - If/Elif/Else helps handle multiple conditions efficiently. - One-line if/else (ternary) makes code concise for simple conditions. - Nested conditions allow handling complex decision-making scenarios. #Python #Programming #DataAnalytics #LearningJourney #ConditionalStatements #CodingBasics #DataScience #BeginnerPython #AnalyticsSkills

I haven’t been writing python in few years but past weeks have done lot of stuff with it. Feels like there has been lot of improvement in the tooling since last time I professionally wrote python. Like uv and ty are actually making this really nice! But one thing I’m pondering about is the story with http clients. Like requests has been in feature freeze for eons and httpx hasn’t had any releases since 2024. Is niquests the thing one should use in 2026? Python people in my network plz halp

Nobody teaches you this in Python tutorials. You learn variables. You learn functions. You learn classes. But scope? You learn scope the hard way. At 2am. With a bug you can't explain. Staring at code that looks perfectly fine. Here's what's actually happening: Python doesn't look for variables the way you think it does. It follows a very specific lookup order - Local → Enclosing → Global → Built-in - and if you don't know the rules, it will surprise you in the worst moments. I wrote a free guide to fix that gap: ✔ How Python actually resolves variable names ✔ Why closures behave the way they do ✔ The global and nonlocal keywords demystified ✔ Real examples of scope bugs - and how to squash them No fluff. No theory for the sake of theory. Just the stuff that makes you a sharper Python dev. 🎁 Free download: https://lnkd.in/dY8az6hc Drop a 🐍 in the comments if scope has burned you before. #Python #PythonDeveloper #LearnPython #Debugging #Scope #Variable

Understanding Python Class Methods for Efficient Object Creation Class methods in Python are defined using the `@classmethod` decorator and differ from instance methods in significant ways. They receive the class as their first argument (typically called `cls`), instead of the instance (which is `self` for instance methods). This allows class methods to operate on the class itself rather than on instances of the class. In the provided example, we define a simple `Rectangle` class that utilizes a class method to create a square version of it. This is particularly useful when you need to simplify the creation of specific instances without directly invoking the main constructor. When `Rectangle.square(4)` is called, it doesn't create an instance directly; rather, it calls the class method that returns an instance of `Rectangle` with both dimensions set to the specified side length. Class methods become critical when you want to implement factory methods, which provide various means of object creation. This technique centralizes the logic and can include other functionalities, such as validation or default parameters. As a result, your code maintains a clean and organized structure, enhancing readability and maintainability. Quick challenge: How would you modify the `Rectangle` class to include a method that validates that the width and height must be positive? #WhatImReadingToday #Python #PythonProgramming #ClassMethods #OOP #Programming

One of the more interesting things I find about Python is how expansive the standard library is and the number of hidden gems you can find. TOML files are seemingly becoming a new standard within the Python ecosystem - a prime example of heavy usage is Astral's uv package manager. Python's standard library has tomllib, a library that allows you to read these files. I wrote about how you can use it here: https://lnkd.in/guKJwmsJ

Most learners do not explore beyond Python basics… the true beauty lies within👇 Today I dived deep into the following Python concepts: 🔹 Functional programming concepts ➡️ map(), filter(), lambda 🔹 Modules and Standard Library ➡️ built-in libraries of Python that make Python awesome. ➡️ I looked further into: 📦 The random module ➡️ generation of random data, simulations, sampling 📁 The os module ➡️ file handling and operating system path management 🧠 The array module ➡️ efficient memory usage for numeric data types  ✔ Regular Expressions (Re module)    → pattern-based text analysis  I created: ✔️  A Fake data generator(generates realistic fake user data) Link - https://lnkd.in/g69scMzy  ✔️ Log Analyzer(Parsed log files using regex)- Link - https://lnkd.in/gMiN3KF9 #Python #DataAnalytics #LearningInPublic #CodingJourney

#python #EP 1 Mastering Python Variables & Scope I’ve put together a beginner-friendly tutorial that covers everything we and I need to know about variables in Python — from naming rules and assignments to dynamic typing, object references, and the #LEGB scope resolution. 🔑 Key highlights in the tutorial: ✅ Rules for naming variables (valid vs invalid examples) 🎯 Assigning values & dynamic typing 📦 Multiple assignments in one line 🧩 Object references & how Python handles memory 🔍 Type checking & casting 🗑️ Deleting variables safely ⚡ Practical examples (swapping, counting characters) 🔑 Scope explained with the #LEGB rule (Local, Enclosing, Global, Built-in) 👉 Check out the full tutorial here: Python Variables & Scope – GitHub Repo git repo https://lnkd.in/g5vHi52w