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String Mastery in Python: Practical Text Processing for Beginners

String Mastery in Python: Practical Text Processing for Beginners

duongtuanvu1111 Jan 14, 2026 8 min read

Strings Are Immutable: What That Means in Practice In Python, strings are immutable — once created, you cannot change them in place. Any “modification”…

Working with Dates and Time in Python

Working with Dates and Time in Python

duongtuanvu1111 Jan 14, 2026 7 min read

This guide will walk you through everything you need to survive and thrive with dates and times. We’ll cover the main classes, formatting, timezones…

Python Virtual Environments: venv, pip, and Dependencies

Python Virtual Environments: venv, pip, and Dependencies

duongtuanvu1111 Jan 14, 2026 8 min read

Why You Should Use Virtual Environments Imagine you’re working on two projects: one is a data analysis script using an older version of NumPy…

Pythonic Code: Writing Clean, Readable, and Professional Python

Pythonic Code: Writing Clean, Readable, and Professional Python

duongtuanvu1111 Dec 30, 2025 9 min read

What “Pythonic” Really Means “Pythonic” is a term thrown around in Python communities, but what does it actually mean? At its core, Pythonic code…

Object-Oriented Programming in Python

Object-Oriented Programming in Python

duongtuanvu1111 Dec 30, 2025 11 min read

Why OOP Exists (and When to Use It) Picture this: You’re building a simple script to manage a list of employees in a company.…

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