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09 INTRODUCTION
TO PYTHON
Your Aim
to learn about:
l Features of Python l How to use Python IDLE
l Variables in Python l Character Set
l Keywords l Data Types
l Operators l Comments in Python
l The Input( ) Statement l The Print( ) Statement
l Creating Simple Python Programs
Python is a high-level programming language. It has a simple language syntax that makes it
easy to read and write. It was developed by Guido Van Rossum in 1991 at the National Research
Institute for Mathematics and Computer Science in Netherlands. Various versions of Python have
been released till date starting from version 1.0. We will learn to use Python 3.7 version which
is used in various application areas such as:
Web Application
Scientific and Numeric Computational Applications
Games
Image Processing and Graphic Clickipedia
Designing applications
Guido Van Rossum named the language
Network Programming
Python as he was a fan of the comic
Artificial Intelligence
series “Monty Python’s Flying Circus”.
Machine Learning
FEATURES OF PYTHON
Easy to learn: Python has relatively few keywords, simple structure and a clearly-defined
syntax.
Easy to read: Python code is just like English language.
Case Sensitive: Python is a case-sensitive language. In Python, ‘pay’ and ‘PAY’ are not the
same. They are interpreted differently.
Free and Open Source: Python is an example of open-source software. It means you can freely
distribute copies of this software, read its source code and make changes to it.
Introduction to Python 67

