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PYTHON INTRODUCTION
&
FEATURES
Python Programming
20BJM404

Introduction
 Python is a widely used general-purpose, high
level programming language.
 It was initially designed by Guido van Rossum in
1991 and developed by Python Software
Foundation.
 It was mainly developed for emphasis on code
readability, and its syntax allows programmers to
express concepts in fewer lines of code.

Features of Python
 1. Free and Open Source: Python language is
freely available at the official website and it can
downloaded. Since it is open-source, the source
code is also available to the public. So it can be
downloaded and shared.
 2. Easy to code: Python is a high-level
programming language. Python is very easy to
learn the language as compared to other
languages like C, C#, Javascript, Java, etc. It is
very easy to code and anybody can learn Python
basics in a few hours or days. It is also a
developer-friendly language.

Features of Python
 6. High-Level Language: Python is a high-level
language. When writing programs in Python, it is
not need to remember the system architecture, nor
need to manage the memory.
 7. Large Community Support: Python has gained
popularity over the years. Questions are constantly
answered by the enormous StackOverflow
community.
 8. Easy to Debug: Excellent information for
mistake tracing. It will be able to quickly identify
and correct the majority of program’s issues once
understanding how to interpret Python’s error
traces.

Features of Python
 9. Python is a Portable language: Python language
is also a portable language. For example Python code
for Windows can be run on other platforms such as
Linux, Unix, and Mac without any modification.
 10. Python is an Integrated language: It is also an
integrated language because Python can be integrated
easily with other languages like C, C++, etc.
 11. Interpreted Language: Python is an Interpreted
Language because Python code is executed line by line
at a time. The source code of Python is converted into
an immediate form called bytecode.

Features of Python
 12. Large Standard Library: Python has a large
standard library that provides a rich set of
 modules and functions so you do not have to write your
own code for every single thing. There
 are many libraries present in Python such as regular
expressions, unit-testing, web browsers, etc.
 13. Dynamically Typed Language: Python is a
dynamically-typed language. That means the type
 (for example- int, double, long, etc.) for a variable is
decided at run time not in advance because
 of this feature we don’t need to specify the type of
variable.

Features of Python
 14. Frontend and backend development: With a
new project py script, you can run and write Python
codes in HTML with the help of some simple tags <py-
script>, <py-env>, etc. This will help to do frontend
development work in Python like javascript. Backend is
the strong forte of Python it’s extensively used for this
work cause of its frameworks like Django and Flask.
 15. Allocating Memory Dynamically: In Python, the
variable data type does not need to be specified. The
memory is automatically allocated to a variable at
runtime. Developers do not need to write int y = 18 if
the integer value 15 is set to y. It can typed just as
y=18.

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