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Introduction to Python
Anirudha Anil Gaikwad
gaikwad.anirudha@gmail.com
What is Python…?
Differences between programming and scripting language
Programming Paradigms
History of Python
Scope of Python
Why do people use Python?
Installing Python
What you learn
 Python is a general purpose, dynamic, high level and interpreted programming
language.
 Python is easy to learn yet powerful and versatile scripting language which makes it
attractive for Application Development
 Python supports multiple programming pattern, including object oriented, imperative
and functional or procedural programming styles.
 Python is not intended to work on special area such as Machine learning,Web
programming. That is why it is known as multipurpose because it can be used with
web, enterprise, Machine learning.
 We don't need to use data types to declare variable because it is dynamically typed
so we can write x=30 to assign an integer value in an integer variable.
 Python makes the development and debugging fast because there is no compilation
step included in python development and edit-test-debug cycle is very fast.
What is Python…?
Differences between programming
and script Language
Programming language mostly use
Compiler.
 scripting Language is use Interpreter
Programming Paradigms
 Object-oriented programming is a programming
approach that focuses on Object.
 Procedure-oriented programming focuses on
procedural abstractions.
OOP follows a bottom-up approach.
Program is divided into objects depending on
the problem.
Each object controls its own data.
Data hiding is possible in OOP.
Inheritance is allowed in OOP.
Operator overloading is not allowed
POP follows a top-down approach.
Program is divided into small chunks based
on the functions.
Each function contains different data.
No easy way for data hiding.
No such concept of inheritance in POP.
Operator overloading is allowed.
Difference between OOP and POP
Why was python created?
"My original motivation for creating Python was the perceived need for a higher level
language in the Amoeba [Operating Systems] project.
I realized that the development of system administration utilities in C was taking too
long.Moreover, doing these things in the Bourne shell wouldn't work for a variety of
reasons. ...
So, there was a need for a language that would bridge the gap between C and the
shell”
- Guido Van Rossum
History of Python
The implementation of Python was started in the December
1989 by Guido Van Rossum at CWI in Netherland.
Python Version Released Date
Python 1.0 January 1994
Python 1.5 December 31, 1997
Python 1.6 September 5, 2000
Python 2.0 October 16, 2000
Python 2.1 April 17, 2001
Python 2.2 December 21, 2001
Python 2.3 July 29, 2003
Python 2.4 November 30, 2004
Python 2.5 September 19, 2006
Python 2.6 October 1, 2008
Python 2.7 July 3, 2010
Python 3.0 December 3, 2008
Python 3.1 June 27, 2009
Python 3.2 February 20, 2011
Python 3.3 September 29, 2012
Python 3.4 March 16, 2014
Python 3.5 September 13, 2015
Python 3.6 December 23, 2016
Python 3.7 June 27, 2018
1) Web Applications
We can use Python to develop web applications. It provides libraries to handle internet
protocols such as HTML and XML, JSON, Email processing, request, beautifulSoup,
Feedparser etc.
2) Desktop GUI Applications
Python provides Tk GUI library to develop user interface in python based application.
3) Software Development
Python is helpful for software development process. It works as a support language and can
be used for build control and management, testing etc.
4) Scientific and Numeric
Python is popular and widely used in scientific and numeric computing. Some useful library
and package are SciPy, Pandas, IPython etc. SciPy is group of packages of engineering,
science and mathematics.
Scope of Python
5) Business Applications
Python is used to build Bussiness applications like ERP and e-commerce systems.
6) Console Based Application
We can use Python to develop console based applications.
7) System Administrator
Python is awesome to perform multiple tasks ,using script its easy to perform mutiple
tasks simultaneously.
8) 3D CAD Applications
To create CAD application Fandango is a real application which provides full features of
CAD.
9) Enterprise Applications
Python can be used to create applications which can be used within an Enterprise or an
Organization.
There are several types of applications which can be developed using Python
Scope of Python
1) Easy to Learn and Use
Python is easy to learn and use. It is developer-friendly and high level programming
language.
2) Expressive Language
Python language is more expressive means that it is more understandable and readable.
3) Interpreted Language
Python is an interpreted language i.e. interpreter executes the code line by line at a time.
This makes debugging easy and thus suitable for beginners.
4) Cross-platform Language
Python can run equally on different platforms such as Windows, Linux, Unix and Macintosh
etc. So, we can say that Python is a portable language.
5) Free and Open Source
Python language is freely available at offical web address.The source-code is also available.
Therefore it is open source.
Why do people use Python?
6) Object-Oriented Language
Python supports object oriented language
7) Extensible
It implies that other languages such as C/C++ can be used to compile the code and thus it can
be used further in our python code.
8) Large Standard Library
Python has a large and broad library and prvides rich set of module and functions for rapid
application development.
9) GUI Programming Support
Graphical user interfaces can be developed using Python.
10) Integrated
It can be easily integrated with languages like C, C++, JAVA etc.
Why do people use Python?
Installing Python
https://www.python.org/
T H A N K S

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Introduction to python

  • 1. Introduction to Python Anirudha Anil Gaikwad gaikwad.anirudha@gmail.com
  • 2. What is Python…? Differences between programming and scripting language Programming Paradigms History of Python Scope of Python Why do people use Python? Installing Python What you learn
  • 3.  Python is a general purpose, dynamic, high level and interpreted programming language.  Python is easy to learn yet powerful and versatile scripting language which makes it attractive for Application Development  Python supports multiple programming pattern, including object oriented, imperative and functional or procedural programming styles.  Python is not intended to work on special area such as Machine learning,Web programming. That is why it is known as multipurpose because it can be used with web, enterprise, Machine learning.  We don't need to use data types to declare variable because it is dynamically typed so we can write x=30 to assign an integer value in an integer variable.  Python makes the development and debugging fast because there is no compilation step included in python development and edit-test-debug cycle is very fast. What is Python…?
  • 4. Differences between programming and script Language Programming language mostly use Compiler.  scripting Language is use Interpreter
  • 5. Programming Paradigms  Object-oriented programming is a programming approach that focuses on Object.  Procedure-oriented programming focuses on procedural abstractions.
  • 6. OOP follows a bottom-up approach. Program is divided into objects depending on the problem. Each object controls its own data. Data hiding is possible in OOP. Inheritance is allowed in OOP. Operator overloading is not allowed POP follows a top-down approach. Program is divided into small chunks based on the functions. Each function contains different data. No easy way for data hiding. No such concept of inheritance in POP. Operator overloading is allowed. Difference between OOP and POP
  • 7. Why was python created? "My original motivation for creating Python was the perceived need for a higher level language in the Amoeba [Operating Systems] project. I realized that the development of system administration utilities in C was taking too long.Moreover, doing these things in the Bourne shell wouldn't work for a variety of reasons. ... So, there was a need for a language that would bridge the gap between C and the shell” - Guido Van Rossum History of Python The implementation of Python was started in the December 1989 by Guido Van Rossum at CWI in Netherland.
  • 8. Python Version Released Date Python 1.0 January 1994 Python 1.5 December 31, 1997 Python 1.6 September 5, 2000 Python 2.0 October 16, 2000 Python 2.1 April 17, 2001 Python 2.2 December 21, 2001 Python 2.3 July 29, 2003 Python 2.4 November 30, 2004 Python 2.5 September 19, 2006 Python 2.6 October 1, 2008 Python 2.7 July 3, 2010 Python 3.0 December 3, 2008 Python 3.1 June 27, 2009 Python 3.2 February 20, 2011 Python 3.3 September 29, 2012 Python 3.4 March 16, 2014 Python 3.5 September 13, 2015 Python 3.6 December 23, 2016 Python 3.7 June 27, 2018
  • 9. 1) Web Applications We can use Python to develop web applications. It provides libraries to handle internet protocols such as HTML and XML, JSON, Email processing, request, beautifulSoup, Feedparser etc. 2) Desktop GUI Applications Python provides Tk GUI library to develop user interface in python based application. 3) Software Development Python is helpful for software development process. It works as a support language and can be used for build control and management, testing etc. 4) Scientific and Numeric Python is popular and widely used in scientific and numeric computing. Some useful library and package are SciPy, Pandas, IPython etc. SciPy is group of packages of engineering, science and mathematics. Scope of Python
  • 10. 5) Business Applications Python is used to build Bussiness applications like ERP and e-commerce systems. 6) Console Based Application We can use Python to develop console based applications. 7) System Administrator Python is awesome to perform multiple tasks ,using script its easy to perform mutiple tasks simultaneously. 8) 3D CAD Applications To create CAD application Fandango is a real application which provides full features of CAD. 9) Enterprise Applications Python can be used to create applications which can be used within an Enterprise or an Organization. There are several types of applications which can be developed using Python Scope of Python
  • 11. 1) Easy to Learn and Use Python is easy to learn and use. It is developer-friendly and high level programming language. 2) Expressive Language Python language is more expressive means that it is more understandable and readable. 3) Interpreted Language Python is an interpreted language i.e. interpreter executes the code line by line at a time. This makes debugging easy and thus suitable for beginners. 4) Cross-platform Language Python can run equally on different platforms such as Windows, Linux, Unix and Macintosh etc. So, we can say that Python is a portable language. 5) Free and Open Source Python language is freely available at offical web address.The source-code is also available. Therefore it is open source. Why do people use Python?
  • 12. 6) Object-Oriented Language Python supports object oriented language 7) Extensible It implies that other languages such as C/C++ can be used to compile the code and thus it can be used further in our python code. 8) Large Standard Library Python has a large and broad library and prvides rich set of module and functions for rapid application development. 9) GUI Programming Support Graphical user interfaces can be developed using Python. 10) Integrated It can be easily integrated with languages like C, C++, JAVA etc. Why do people use Python?
  • 14. T H A N K S