Python programming language

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.