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Introduction to Pyhton

Python is a general purpose, high-level, interpreted programming language developed by Guido van Rossum in the late 1980s at the National Research Institute for Mathematics and Computer Science in the Netherlands.

Python is one of the most popular and widely used programming language used for set of tasks including console based, GUI based, web programming and data analysis.

Python is a easy to learn and simple programming language so even if you are new to programming, you can learn python without facing any problems.

Fact: Python is named after the comedy television show Monty Python's Flying Circus.

Features of Python

Python provides lots of features that are listed below.

  • Easy to Learn and Use

Python is easy to learn and use compared with other programming languages. It is developer-friendly and high level programming language.

  • Interpreted Language

Python is an interpreted language because no need of compilation. This makes debugging easy and thus suitable for beginners.

  • 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.

  • Free and Open Source

The Python interpreter is developed under an open-source license, making it free to install, use, and distribute.

  • Object-Oriented Language

Python supports object oriented language and concepts of classes and objects come into existence.

  • GUI Programming Support

Graphical user interfaces can be developed using Python.

  • Integrated

It can be easily integrated with languages like C, C++, and JAVA etc.

Python Applications

Python is a general purpose programming language that makes it applicable in almost all domains of software development. Python as a whole can be used to develop any type of applications.

Here, we are providing some specific application areas where python can be applied.

  • Web Applications
  • Desktop GUI Applications
  • Software Development
  • Scientific and Numeric
  • Business Applications
  • Console Based Application
  • Audio or Video based Applications

Strat Programming with Python

To start programming with python, we have to know some more information. I.e, installation of python software and execution procedure of python program or script.

There are two major Python versions, those are Python 2 and Python 3. Python 2 and 3 are quite different. This tutorial uses Python 3, because it more semantically correct and supports newer features.

For installation of python software procedure go through Python Installation Tutorial

After successful installation of python software we can able interpret or execute python script / program.

Python provides us the two ways to run a python script:

  • Using Interactive interpreter prompt
  • Using a script file

Using Interactive interpreter prompt:

Python provides us the feature to execute the python statement one by one at the interactive prompt. It is preferable in the case where we are concerned about the output of each line of our python program.

To open the interactive mode, open the terminal (or command prompt) and type python (python3 in case if you have python2 and python3 both installed on your system).

Through Command Prompt :



In windows, search for python IDLE in all programs and then click on python IDLE, then the python interpreter prompt will open.

The Python interpreter prompt look like this


Using Script File :

Interpreter prompt is good to run the individual statements of the code. However if we want to execute multiple python statements at a time instead of executing one by one, then we can use script file.

We need to write our script into a file which can be executed later. For this purpose, open an editor like notepad, create a file named (python used .py extension) and write the python script in it.

Example: ""
print("Hello !")
print("Welcome to Python Programming")
Output: $python3
Hello ! 
Welcome to Python Programming

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