What is Python?

Python is a high-level, general-purpose, dynamic, interpreted programming language that is widely used. Guido Van Rossum is known as the founder of Python programming.

Facts about Python:

The following are some Python Programming Language facts:

• Python is the most widely used multipurpose, high-level programming language.
• Python supports both Object-Oriented and Procedural programming paradigms.
• Python programs are typically smaller than those written in other programming languages, such as Java. Programmers must type relatively little, and the language’s indentation requirement ensures that their code is always readable.
• Python is used by almost all tech giants, including Google, Amazon, Facebook, Instagram, Dropbox, Uber, and others.

Features of Python:

• Python is an appealing scripting language for application development because it is simple to learn while being robust and versatile.
• It can run on almost any platform, including Windows, Linux (all distros), Mac OS X, and Unix.
• Python’s syntax and dynamic typing, combined with the fact that it is interpreted, make it an ideal language for scripting and rapid application development.
• Python supports a variety of programming patterns, including object-oriented, imperative, functional, and procedural programming.
• It is known as a multipurpose programming language.
• Because variables are dynamically typed, we don’t need to use data types to declare them, so we can write x=89 to assign an integer value to an integer variable.
• Python development and debugging are quick because there is no compilation step, and the edit-test-debug cycle is very quick.

Basic Syntax for Python:

def func():  
       statement 1  
       statement 2  
       …………………  
       …………………  
       statement N

Python uses indentation to define a block of code. Indentation is nothing but adding whitespace before the statement when it is needed. Generally, four whitespaces are used to define indentation.

C++ vs Java vs Python Program:

Let’s see an example code in the mentioned different languages.

Java code:

class Test{
    Scanner input = new Scanner(System.in);
    public static void main(String args[]){
        System.out.println("Hello World"); 
    }
}

C++ code:

#include<iostream>

using namespace std;

int main()
{
    cout << "Hello World";
    return 0;
}

Python code:

print("Hello World")

All programs will print the same result, but Python requires only one statement without the use of a semicolon or curly braces.

Applications of Python:

Following are some of the applications of Python:

• GUI-based desktop applications
• Graphic design, image processing applications, Games, and Scientific/ computational Applications
• Web frameworks and applications 
•  Enterprise and Business applications 
•  Operating Systems 
• Education
• Database Access
• Language Development 
•  Prototyping 
• Software Development

Note: also read about Sum Of Series 1 + 2 + 4 + 8 + 16 + 32 + . . n

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