Python is a high-level programming language created by Guido van Rossum in 1991. It is an interpreted language with a clearly defined syntax and is portable across operating systems. Major companies like Google, YouTube, and Dropbox use Python for web development and applications in various fields. The document outlines how to download and install Python from the python.org website.

1. Introduction to Python
Dr. K. Maheswaran MCA, M.Phil., M.Sc (Maths)., SET, Ph.D
Assistant Professor in Computer Science
School of Computing Sciences
St. Joseph’s College (Autonomous)
Tiruchirappalli- 620 002.

2. In this Lecture…..
 Introduction to Python
 Features – Companies
 Applications
 installation

3. Introduction
 Python is a high-level general-purpose programming
language. It is a free and open source language.
 It was developed by Guido van Rossum during 1985- 1990
as a successor to the ABC programming language.
The designer of Python, Guido van Rossum,

4. • First version released in 1991 as Python 0.9.0.
• Python 2.0 was released in 2000.
• Python 3.0, released in 2008, was a major revision
that is not completely backward-compatible with
earlier versions.
• Python 2 was discontinued with version 2.7.18 in 2020
Introduction…

5. Python features
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• It is an interpreted language, as Python programs are
executed by an interpreter.
• Python programs are easy to understand as they have a
clearly defined syntax and relatively simple structure.
• Portable and platform independent, means it can run on
various operating systems and hardware platforms.
• Python has a rich library of predefined functions. It also
helpful in web development.

6. Companies using Python
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7. Applications of Python
7

8. Reasons to use Python
• Simple & Easy Language –Portable Language
• Less time and minimum number of lines of code
• Eg : To write a program to print “Hello World”
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Java C Python
public class HelloWorld
{
public static void main (String[] args)
{
System.out.println("n Hello World ");
}
}
#include <stdio.h>
int main()
{
printf("n Hello
World");
return 0;
}
Print(“Hello World”)

9. Download Python from python.org
using link python.org/downloads
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14. After Installation, Click ‘OK’

15. Summary
• Python
• Introduction - Features
• Companies - Application -Reason
• Download and Installation Steps.