PYTHON INTRODUCTION
===================
WHAT IS PYTHON?
================
1) HIGH LEVEL PROGRAMMING LANGUAGE
	like: if, else, True, False, None etc.
2) beginner friendly language
3) easy programming language

in java:
========
class biggestNumber{
    public static void main(String[] a)
    {
        int x,y,z;
        x = 100;
        y = 150;
        z = 50;
        
        if(x > y && x > z)
        {
            int big = x;
            System.out.println("x is bigger");
        }
        else if(y > z)
        {
            int big = y;
            System.out.println("y is bigger");
        }
        else
        {
            int big = z;
            System.out.println("z is bigger");
        }
    }
}

in python:
==========
x = 100;y = 150;z = 50

if x > y and y > z:
    print("x is biger")
elif y > z:
    print("y is bigger")
else:
    print("z is bigger")

4) general purpose programming language.
	banking 
	chat 
	health care etc.

==========================================

HISTORY OF THE PYTHON
=====================
guido van Rossum
at: national research institute, nethrelands
web application 
1989
launched in the market: 1991

Tv Show: The Complete Monty Python's Circus
BBC in between 1969 to 1974

reference languages:
	C ==> functional programming
	C++ ==> Object Oriented Programming
	Perl ==>
	Shell Script ==> Scripting features
	Modula-3 ==> Modular approach

calculator:
	add, sub, mult, divi etc.

High level programming languages
	classified into three types:
		1) structured programming languages: structures/pointers/arrays etc. ==> C
		2) object based : VB
		3) object oriented : Java, C++, Python etc.

OOPs ==> object oriented programming system
	secure, robust and concise programming
	features:
		class, object, methods, constructors, destructors, 
		encapsulation, polymorphism, inheritance, overloading, overriding
		data abstraction etc.

calculator:
	arith ==> add, sub, mul, div
	log 
	trigonometric
	integrations
	differentiations etc.
==========================================

FEATURES OF PYTHON
=================
1) high level
2) easy programming
3) beginner friendly 
4) general purpose
5) freeware and open source
freeware ==> no cost is required to use python in your system
open source ==> use the python software in any type of system like: windows, Linux, MAC-OS etc.
6) platform independent
Banking : python ==> windows
run: Linux, mac-os
mobile platforms
7) portable
	migrate the code of platform to another platform without any modifications/re-writing of the code.
8) Dynamically typed programming language

High level programming languages, 
	classified into three types:
	according to the definition of the data:
		1) Statically typed ==> C
		2) Dynamically typed ==> Python
		3) Strongly typed  ==> Java

9) Interpreter dependent
10) scripting language
11) extendable
================================================

APPLICATIONS OF PYTHON
=====================
1) desktop applications
2) ecommerce applications
3) gaming development
4) embedded application
5) IoT 
6) Data Science
7) AI
8) Telecommunication Systems
9) Satellite Communication systems.

etc.


LIMITATIONS OF PYTHON
=====================
1) performance issue ==> interpreter 

VERSIONS OF PYTHON
==================
1.0V ==> Jan 1994
2.0v ==> Oct, 2000
3.0v ==> Dec 2008

Current version: 3.12.4

FLAVOURS OF PYTHON
==================
Jython ==> Java + Python
Iron Python ==> C#
CPython
Ruby Python ==> ruby platform

Contact number:
	6301921083