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10 Introduction to Python
Your Aim
to learn about:
Python Features of Python
Installing Python IDLE Programming in Python
Input and Output Variables in Python
Data Types Comments in Python
Operators Precedence of Operators
Sample Programs
Have you played games in mobile or on computer system? Have you seen a website? How is it
developed? Let us find out the answers of these questions.
These games and websites are programs or applications developed by using a programming
language. There are a number of programming languages. Some of them are C language, C++
and Python. In this chapter, you will learn about Python and how to develop programs in Python.
PYTHON
Python is a popular high-level programming language. It is a powerful language used for general-
purpose programming. Python was developed by Guido van Rossum. He started applying
Python in 1989. Python is extensively used to develop:
✶ games ✶ websites
✶ Graphical User Interface programs ✶ web applications
FEATURES OF PYTHON
✶ Easy to code: it is very easy to write programs in Python as compared to other high-
level programming languages. This is because the language used to write Python codes is
similar to the English language.
✶ Open-source language: Python is a free and open-source programming language. An
open-source language is one which can be easily improved and distributed by anyone. You
can download Python free of cost and use it on any operating system such as Windows,
Mac or Linux.
✶ Object-Oriented: Python has an object-oriented approach. This means that the programs
are designed using objects and classes that interact with each other.
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