Python
is a general-purpose interpreted, interactive, object-oriented, and high-level
programming language. It was created by Guido van Rossum during 1985- 1990.
Like Perl, Python source code is also available under the GNU General Public
License (GPL). This tutorial gives enough understanding on Python programming
language.
Python
is a high-level, interpreted, interactive and object-oriented scripting
language. Python is designed to be highly readable. It uses English keywords
frequently where as other languages use punctuation, and it has fewer syntactical
constructions than other languages.
·
Python is Interpreted: Python is processed at runtime by the interpreter. You do
not need to compile your program before executing it. This is similar to PERL
and PHP.
·
Python is Interactive: You can actually sit at a Python prompt and interact with
the interpreter directly to write your programs.
·
Python is Object-Oriented: Python supports Object-Oriented style or technique of
programming that encapsulates code within objects.
·
Python is a Beginner's Language: Python is a great language for the beginner-level
programmers and supports the development of a wide range of applications from
simple text processing to WWW browsers to games.
History of Python
Python was developed by Guido van
Rossum in the late eighties and early nineties at the National Research
Institute for Mathematics and Computer Science in the Netherlands.
Python is derived from many other
languages, including ABC, Modula-3, C, C++, Algol-68, SmallTalk, and Unix shell
and other scripting languages.
Python is copyrighted. Like Perl,
Python source code is now available under the GNU General Public License (GPL).
Python is now maintained by a core
development team at the institute, although Guido van Rossum still holds a
vital role in directing its progress.
Python Features
Python's features include:
·
Easy-to-learn: Python has
few keywords, simple structure, and a clearly defined syntax. This allows the
student to pick up the language quickly.
·
Easy-to-read: Python code
is more clearly defined and visible to the eyes.
·
Easy-to-maintain: Python's source code is fairly easy-to-maintain.
·
A broad standard library: Python's bulk of the library is very portable and
cross-platform compatible on UNIX, Windows, and Macintosh.
·
Interactive Mode:Python
has support for an interactive mode which allows interactive testing and
debugging of snippets of code.
·
Portable: Python can
run on a wide variety of hardware platforms and has the same interface on all
platforms.
·
Extendable: You can add
low-level modules to the Python interpreter. These modules enable programmers
to add to or customize their tools to be more efficient.
·
Databases: Python
provides interfaces to all major commercial databases.
·
GUI Programming: Python supports GUI applications that can be created and
ported to many system calls, libraries and windows systems, such as Windows
MFC, Macintosh, and the X Window system of Unix.
·
Scalable: Python
provides a better structure and support for large programs than shell
scripting.
Apart from the above-mentioned
features, Python has a big list of good features, few are listed below:
·
It supports functional
and structured programming methods as well as OOP.
·
It can be used as a
scripting language or can be compiled to byte-code for building large
applications.
·
It provides very
high-level dynamic data types and supports dynamic type checking.
·
IT supports automatic
garbage collection.
·
It can be easily
integrated with C, C++, COM, ActiveX, CORBA, and Java.
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