Top Programming Books For Beginners ...
Top Programming Books For Beginners ...
Post #38: Analytics Insight, Top 10 Python Programming Books For Beginners, 2023.
More Posts from Python-programming-language and Others
A Leap Year? - This Is The Question Of The Day ...
This is how you work out whether if a particular year is a leap year.
On every year that is divisible by 4 with no remainder
Except every year that is evenly divisible by 100 with no remainder
Unless the year is also divisible by 400 with no remainder
Source: Angela Yu, Udemy, 2024
Year 2000:
2000 ÷ 4 = 500 (Leap)
2000 ÷ 100 = 20 (Not Leap)
2000 ÷ 400 = 5 (Leap!)
So, year 2000 is a leap year.
Year 2100:
2100 ÷ 4 = 525 (Leap)
2100 ÷ 100 = 21 (Not Leap)
2100 ÷ 400 = 5.25 (Not Leap)
But year 2100 is not a leap year.
Post #113: Free Programming Exercise, Leap Year, 2024.
Python Tutorial, #13 While-Schleife ...
The source code and output of my exercise ...
Post #49: YouTube, Programmieren-Starten, Python Tutorial, #13 While-Schleife, 2023.
MIMO - My SQL Certificate ...
Post #94: MIMO, Learn To Code, My SQL Certificate, 2023.
Do you know the online tutor EASY CODER?
Post #105: Esay Coder, Learn JAVA and PYTHON programming with ease, 2023.
Post #90: The pillars of object-oriented programming: Object, Class, Inheritance, Polymorphism, Abstraction and Encapsulation, 2023.
The concept of object oriented programming explained
Object-oriented programming is a fundamental concept present in numerous programming languages such as C++, Java, JavaScript, and more. It becomes straightforward once you truly grasp it, and that's precisely what this post aims to help you achieve. So, stop your scrolling for a second and delve into this post for a thorough and clear explanation.
Understanding the Term "Object-Oriented"
To grasp OOP, let's begin by explaining the name itself: "Object-Oriented." This term signifies that OOP revolves around entities known as "objects."
What Exactly Is an Object?
An object in OOP is any entity that possesses both state and behavior. Consider a dog as an example: it has states such as color, name, and breed, while its behaviors encompass actions like wagging the tail, barking, and eating.
The reason we introduce the concept of objects in programming is to effectively represent real-world entities, a task that cannot be accomplished with conventional variables or arrays.
Classes: Abstract Forms of Objects
Now, what about classes? A class is essentially the abstract form of an object. If we take the example of a "dog," the object "Mydog" is a concrete instance, while the class "dog" represents dogs in a more general sense. Think of a class as a blueprint or template from which you can create individual objects.
Four Pillars of Object-Oriented Programming
Now that we've established the fundamentals of objects and classes. OOP is built upon four key principles:
Inheritance: Inheritance occurs when one object inherits all the properties and behaviors of a parent object. It promotes code reusability and facilitates runtime polymorphism.
Polymorphism: Polymorphism entails performing a single task in multiple ways. For instance, it can involve presenting information differently to customers or implementing different shapes like triangles or rectangles.
Abstraction: Abstraction is about concealing internal details while exposing functionality. Consider a phone call; we don't need to understand the intricate inner workings.
Encapsulation: Encapsulation involves bundling code and data into a single unit. Just like a capsule contains various medicines . In a fully encapsulated class (e.g., a Java bean), all data members are private, ensuring data integrity and controlled access.
I remember finding these images that explained these concepts using the 'Squid Game' series, and they are just perfect. So, I'm sharing them here and giving all credit to their owner :
Polymorphism , Inheritance , Encapsulation
Python: Lists, Tuples, Sets and Dictionaries ...
Post #115: Python.Hub / Instagram, Python Data Structures: Lists, Tubles, Sets and Dictionaries, 2024.
Python Tutorial #20 Funktionen mit Rückgabewert ...
The source code of my exercise ...
The output of my source code ...
Post #77: YouTube, Programmieren-Starten, Python Tutorial, #20 Funktionen mit Rückgabewert, 2023.
Python Tutorial #6 Input ...
The source code of my exercise ...
The output of my source code ...
Post #21: YouTube, Programmieren-Starten, Python Tutorial, #6 Die Input-Funktion, 2023.
Many well-known built-in functions In Python ...
There are 71 built-in functions in Python 3.11.
Built-in Functions — Python 3.11.3 documentation
In my opinion these 29 built-in functions are very popular:
abs(), ascii(), bin(), bool(), bytes(), chr(), complex(), dict(), dir(), eval(), float(), help(), hex(), input(), int(), len(), list(), max(), min(), open(), pow(), print(), range(), round(), set(), sorted(), str(), tuple(), type().
Post #46: Built-In Functions In Python, 2023.
The boolean value of variables ...
The output of the source code ...
Post #16: Exercise - The boolean value of variables, coded by Pydroid 3.0 for Android, 2023.
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