Abstract class and abstract method In Python

Program using private variable.

Inheritance and polymorphism is considered as very significant topic in python. If you want to be expert in python, you have to learn them. Inheritance It is permitted in python to build a class derived from one or more other classes. This class is referred to as child class or subclass. The…

Python is not only a procedural-oriented programming language but also an object oriented programming language. Procedural oriented programing (POP) procedural oriented programming language is referred to as the sequence of command wherein each instruction guides the computer to perform specific task. In this case the center of attention is procedure (function) and…

Write in file and read from it.

What could be a file? File is referred to as specific area on disk. We can use it to store concerned data. Using file we can put data forever in a hard disk type non-volatile memory. When we turn off our computer, RAM loses its data. To solve this problem we use…

Simple problem solving using function Define an empty list then fill it taking the input from user and search the even numbers from that list.

Function can be defined as a block of code. It is considered as especially common block. It will be executed when it is called. Data can be passed into function which is known as parameter. We can get data as a result using function. It has a specific name and…

We can use dictionary comprehension to build a new dictionary because dictionary comprehension is considered as an efficient and brief process to do it. It makes code short but logic remains unchanged. We can get more pythonic code using it. It is an alternative to for loops and lambda functions. It…

There is a similarity between list comprehension and set comprehension but a variation between them is that , curly braces {} is used in the case of set comprehension. On the other hand list comprehension uses parenthesis []. Several examples are shown below to explain set comprehension. …