Leodanis Pozo Ramos is an Industrial Engineer based on Belgrade, Serbia. After graduating from the University, he got a Master’s Degree in Quality Assurance (QA) and worked for more than ten years as a QA and machinery lubrication engineering.

Since he loves computers and software development, he decided to change his career and become a software developer. Today, he’s a self-taught Python developer with +6 years of learning and using the language.

He’s an avid technical writer with a growing number of Python articles and tutorials published on prestigious sites, such as realpython.com, LearnPyQt.com, and StackAbuse.com.

His articles and tutorials have been recognized by the Python Community and the Real Python community.

Thank you for reading!

Tutorials by Leodanis:

• Write Unit Tests for Your Python Code With ChatGPT
• Python's __all__: Packages, Modules, and Wildcard Imports
• Duck Typing in Python: Writing Flexible and Decoupled Code
• BNF Notation: Dive Deeper Into Python's Grammar
• Python News: What's New From January 2024
• Python's Format Mini-Language for Tidy Strings
• Python's Magic Methods: Leverage Their Power in Your Classes
• Build a Hangman Game With Python and PySimpleGUI
• Single and Double Underscores in Python Names
• Build Conway's Game of Life With Python
• Document Your Python Code and Projects With ChatGPT
• How to Run Your Python Scripts and Code
• Python's tuple Data Type: A Deep Dive With Examples
• Operators and Expressions in Python
• Python News: What's New From August 2023
• How to Iterate Through a Dictionary in Python
• Click and Python: Build Extensible and Composable CLI Apps
• Python 3.12 Preview: More Intuitive and Consistent F-Strings
• Python's list Data Type: A Deep Dive With Examples
• How to Flatten a List of Lists in Python
• Python's raise: Effectively Raising Exceptions in Your Code
• Python's .__call__() Method: Creating Callable Instances
• Using and Creating Global Variables in Your Python Functions
• Efficient String Concatenation in Python
• SOLID Principles: Improve Object-Oriented Design in Python
• Python Classes: The Power of Object-Oriented Programming
• Python News: What's New From March 2023
• Python's del: Remove References From Scopes and Containers
• Python's Mutable vs Immutable Types: What's the Difference?
• Iterators and Iterables in Python: Run Efficient Iterations
• The Python Standard REPL: Try Out Code and Ideas Quickly
• Python's Assignment Operator: Write Robust Assignments
• Python's "in" and "not in" Operators: Check for Membership
• Build Command-Line Interfaces With Python's argparse
• Getters and Setters: Manage Attributes in Python
• Python's doctest: Document and Test Your Code at Once
• Python News: What's New From September 2022
• Build Enumerations of Constants With Python's Enum
• Custom Python Strings: Inheriting From str vs UserString
• Custom Python Lists: Inheriting From list vs UserList
• Python and PyQt: Building a GUI Desktop Calculator
• Python's exec(): Execute Dynamically Generated Code
• Python Constants: Improve Your Code's Maintainability
• Custom Python Dictionaries: Inheriting From dict vs UserDict
• Build a Tic-Tac-Toe Game With Python and Tkinter
• How Can You Emulate Do-While Loops in Python?
• LBYL vs EAFP: Preventing or Handling Errors in Python
• Python's min() and max(): Find Smallest and Largest Values
• Python News: What's New From March 2022
• Build a Site Connectivity Checker in Python
• Python Class Constructors: Control Your Object Instantiation
• Python's assert: Debug and Test Your Code Like a Pro
• Providing Multiple Constructors in Your Python Classes
• Python's zipfile: Manipulate Your ZIP Files Efficiently
• Python's all(): Check Your Iterables for Truthiness
• Build a Dice-Rolling Application With Python
• Python Zip Imports: Distribute Modules and Packages Quickly
• Build a Command-Line To-Do App With Python and Typer
• Python's zipapp: Build Executable Zip Applications
• Using the "not" Boolean Operator in Python
• Python's property(): Add Managed Attributes to Your Classes
• Python's sum(): The Pythonic Way to Sum Values
• Reverse Strings in Python: reversed(), Slicing, and More
• Using the "and" Boolean Operator in Python
• Python's deque: Implement Efficient Queues and Stacks
• Python's ChainMap: Manage Multiple Contexts Effectively
• Python's collections: A Buffet of Specialized Data Types
• What Can I Do With Python?
• Python's Counter: The Pythonic Way to Count Objects
• Reverse Python Lists: Beyond .reverse() and reversed()
• Python's filter(): Extract Values From Iterables
• Context Managers and Python's with Statement
• Build a Bulk File Rename Tool With Python and PyQt
• Write Pythonic and Clean Code With namedtuple
• Build a Python Directory Tree Generator for the Command Line
• OrderedDict vs dict in Python: The Right Tool for the Job
• Build a Contact Book With Python, PyQt, and SQLite
• Python and MongoDB: Connecting to NoSQL Databases
• Python Inner Functions: What Are They Good For?
• Qt Designer and Python: Build Your GUI Applications Faster
• How to Use Python: Your First Steps
• Python's .append(): Add Items to Your Lists in Place
• Use PyQt's QThread to Prevent Freezing GUIs
• Handling SQL Databases With PyQt: The Basics
• PyQt Layouts: Create Professional-Looking GUI Applications
• Python and PyQt: Creating Menus, Toolbars, and Status Bars
• Python's map(): Processing Iterables Without a Loop
• The Python return Statement: Usage and Best Practices
• Python's reduce(): From Functional to Pythonic Style
• Python eval(): Evaluate Expressions Dynamically
• Python Scope & the LEGB Rule: Resolving Names in Your Code
• Using the Python defaultdict Type for Handling Missing Keys
• Using the Python zip() Function for Parallel Iteration
• Using the "or" Boolean Operator in Python

Tutorials Leodanis Contributed to:

• Model-View-Controller (MVC) in Python Web Apps: Explained With Lego
• Python range(): Represent Numerical Ranges
• Python's Array: Working With Numeric Data Efficiently
• Build a Hangman Game for the Command Line in Python
• Python's F-String for String Interpolation and Formatting
• Build a Code Image Generator With Python
• Create and Modify PDF Files in Python
• ChatGPT: Your Personal Python Coding Mentor
• When Should You Use .__repr__() vs .__str__() in Python?
• Discover bpython: A Python REPL With IDE-Like Features
• How to Get a List of All Files in a Directory With Python
• Build Your Python Project Documentation With MkDocs
• YAML: The Missing Battery in Python
• Build a Hash Table in Python With TDD
• Python 3.11 Preview: Even Better Error Messages
• Using Python's pip to Manage Your Projects' Dependencies
• Raining Outside? Build a Weather CLI App With Python
• Using the len() Function in Python
• A Python Guide to the Fibonacci Sequence
• How Long Does It Take to Learn Python?
• Using Python Optional Arguments When Defining Functions
• Python and REST APIs: Interacting With Web Services
• Python Practice Problems: Parsing CSV Files
• Using raise for Effective Exceptions (Course)
• Create Conway's Game of Life With Python (Course)
• Building Enumerations With Python's enum (Course)
• Using Python's min() and max() (Course)
• Design and Guidance: Object-Oriented Programming in Python (Course)
• Inheritance and Internals: Object-Oriented Programming in Python (Course)
• Class Concepts: Object-Oriented Programming in Python (Course)
• Reversing Strings in Python (Course)
• Filtering Iterables With Python (Course)
• Getting the Most Out of the Python Standard REPL (Course)
• Using Python's assert to Debug and Test Your Code (Course)
• Using OrderedDict in Python (Course)
• Summing Values the Pythonic Way With sum() (Course)
• Manipulating ZIP Files With Python (Course)
• Writing Clean, Pythonic Code With namedtuple (Course)
• Getters and Setters in Python (Course)
• Context Managers and Python's with Statement (Course)
• Providing Multiple Constructors in Your Python Classes (Course)
• Building Command Line Interfaces With argparse (Course)
• Managing Attributes With Python's property() (Course)
• Using the Python not Operator (Course)
• Using the Python and Operator (Course)
• Building a Site Connectivity Checker (Course)
• Using Python Class Constructors (Course)
• Counting With Python's Counter (Course)
• Building Lists With Python's .append() (Course)
• Using the Python return Statement Effectively (Course)
• Python Inner Functions (Course)
• Using the Python or Operator (Course)
• Python's map() Function: Transforming Iterables (Course)
• Creating PyQt Layouts for GUI Applications (Course)
• Evaluate Expressions Dynamically With Python eval() (Course)
• Handling Missing Keys With the Python defaultdict Type (Course)
• Parallel Iteration With Python's zip() Function (Course)
• Python Dictionary Iteration: Advanced Tips & Tricks (Course)
• Running Python Scripts (Course)