In this article, we are going to try to explain review difference between tuples and lists. They are both similar sequence types in python. There is a big difference when considering lists and tuples. Tuples are immutable list but it isn’t true for lists. …

In this article, I’m going to try to explain review the so-called SOLID Principles, and how to implement them in a Pythonic way. We will learn how to develop maintainable. software systems applying design patterns on SOLID Principles. SOLID is the basic principle of OOP(Object-Oriented Programming), which was defined in…

In this article, you will learn how to use some built-in methods for Python. Strings in python are surrounded by either single or double quotation marks and each character in a string is assigned an index. Section Overview count() center() swapcase() find() split() startswith() endswith() ljust() and rjust() string capitalization zfill() strip() …

In this article, we will learn how to use through for Django many-to-many relationship. A few times in the last month, I’ve run into the need to add some metadata to a Django many-to-many relationship. Let’s go through an example the existing models:

Section Overview Lists Slices Exception Handling Looping through a list Sorting and Ranges Ranges Section 1. Lists Lists are one of the most powerful data types in Python. It is a data type that holds an ordered collection of items. The items can be of various data types. You can even have lists of lists. …

Section Overview The Walrus Operator Positional-Only Parameters References Section 1 — The Walrus Operator (Assignment Expressions) We use an assignment expression(walrus operator). It use the walrus operator (:=) to both assign and evaluate variable names in a single expression, thus reducing repetition. It is a new syntax introduced in Python 3.8 …

Section Overview Setup. Create the django project and application. Model and database. Access to the data. Conclusion. Together, we’re going to build the back-end for a “To Do” application. We write and deploy a RESTful API service. The APIs allow you to Create, Read, Update, and Delete (CRUD) a task. …

Section Overview build django project. define the news content model and admin. configure news content api. authentication and permissions. adding JWT(JSON Web Token). swagger docs. JSON Web Token is an Token based authentication used by client/server applications where the client is a web, native, mobile or something else application using. …

In this article, we will learn how to use django-mptt in a Django site. MPTT is modified preorder tree traversal. It’s an efficient way to store hierarchical data to your Django models. You easily determine parent-child relationships. Installation pip install django-mptt You should add mptt to the INSTALLED_APPS in your settings.py…