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Interesting Things About Python

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Introduction to Python

Python is one of the scripting language programs and which supports many open source language. 90% of peoples are using python for web development because it is easy and reliable to use. As a result of many open source techniques python helps to build application at faster and efficient manner

Uses of python

Python is widely used to develop various applications and it can support various OS like windows, UNIX, Linux… Many companies like Google, Yahoo, and Bing are using python

Feature of python

  • The main feature of python is that the codes are being written in c, c++ and it has readable syntax.
  • It has dynamic syntax.
  • Sound introspection capabilities.
  • Python also supports various integration techniques.
  • Python is an user friendly application.
  • It has less code than java.

 

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Brief Overview of Python

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Introduction

Welcome! Are you completely new to programming? If not then we presume that you will be looking for information about why and how to get started with python. Fortunately you are a fresher or experienced programmer in any programming language would pick up Python very quickly. It’s easy for beginners use and learn, so jump in! Join Python Training in Chennai at Besant Technologies to Learn from here and finally remove ‘L’ from it!

About Python

Python is the world’s most popular and versatile programming language has advanced data structure and effective object oriented programming concept that has been used in large companies such as Google, Yahoo, CERN and also in NASA. Python provides constructs which intended to enable clear programs on both small as well as large scale.

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12 Reasons to Learn Python Programming

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You will grasp that easily

It is always a difficult task to learn a new language, but this is not with Python. Python is designed to be easily grasped by a novice programmer. The python codes are easily readable by the developer who has little bit knowledge about codes. The standard library opens a lot of functionalities which will help you execute complex functionalities without any problem.

You will get many opportunities

Yes, you will be able to peek out through the window of programming through python. Python has a different object oriented approach which is preferred by a lot of the leading languages like Ruby, JavaScript, C#, etc.

First choice for Web Development

Python has an array of frameworks which provides a lot of flexibility in case of web development with python. There are many web frameworks offered by python like TurboGears, Pylons, Zope2, etc.

 

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Goals and Architecture Overview of Python

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The main is to provide a compliant, flexible and fast implementation of the Python Language which uses the RPython tool chain to enable new advanced high-level features without having to encode the low-level details. This is called as PyPy.

High Level Goals

Our main motivation to develop the translation framework that provides a full featured, customizable, fast and very compliant Python implementation, working on and interacting with a large variety of platforms and allowing the quick introduction of new advanced language features.

This Python implementation is written in RPython as a relatively simple interpreter, in some respects, it is easier to understand than CPython, that is C reference implementation of Python. Using its high level flexibility to quickly experiment the features or implementation techniques in a traditional approach, require pervasive changes to the source code.

 

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Top Interview Questions and Answers for Python

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1) What is Python?

Python is a high-level, interpreted, interactive and object-oriented scripting language. Python is designed to be highly readable which uses English keywords frequently where as other languages use punctuation, and it has fewer syntactical constructions than other languages.

2) Mention five benefits of using Python?

·          Python comprises of a huge standard library for most Internet platforms like Email, HTML, etc.

·          Python does not require explicit memory management as the interpreter itself allocates the memory to new variables and free them automatically

·          Provide easy readability due to use of square brackets

·          Easy-to-learn for beginners

·          Having the built-in data types saves programming time and effort from declaring variables

 

3) What is pickling and unpickling?

Pickle module accepts any Python object and converts it into a string representation and dumps it into a file by using dump function is called pick

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Applications of Python

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3D CAD/CAM

FreeCAD is an Open Source CAx RAD based on Open Cascade, Qt and Python. It features some key concepts like Macro recording, Workbenches, ability to run as a server and dynamically loadable Application extensions and its designed to be platform independent.

Fandango is planned to be a full featured CAD program and has C++ core extensible by scripts. Currently the memory core for entity management is ready, scripting works wonderfully thanks to the ease of embedding and extending of Python. A KDE+XML user interface is now in place, controlling the keyboard and mouse.

Vintech RCAM is a CAD/CAM system for true shape nesting and NC programming of laser, plasma, oxy-fuel and water-jet cutting machines. Vintech RCAM is platform independent and now it runs under Windows XP, Windows 7 and Linux. The main programing language of the system is Python, which defines the advanced methodology and the dynamic system development.

 

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Exceptions in Python

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What is an Exception?

An Exception is an event or error that would happen during the execution of a program that would disturbs their execution. Whenever there is an error, Python generates an exception that could be handled. It basically prevents the program from getting crashed. When a Python script raises an exception, it must either handle the exception immediately otherwise it terminates and quits.

Why we use Exceptions

There was a valid as well as invalid exceptions occurred many times. Exceptions are convenient in many ways for handling errors and also the special conditions in a program. If we have some set of code which produces error, at that time we can use exception handling technique.

Handling an exception

 

If you have some suspicious code that may raise an exception, you can defend your program by placing the suspicious code in a try: block. After the try: block, include a except: statement, followed by a block of code that handles the problem as elegantly as pos

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Introduction to Python for Big data Analytics

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Hi everyone, if you are a fresher or experienced having lot of queries for learning which programming language. Don’t worry… we are providing a Webinar on Python for Big data Analytics. The title of the webinar is . We will be discussing the essential topics in detail and any queries can be rectified during the session.

Topics to be covered:

1. Introduction to Python 2. Python and Big Data 3. Python and Data Science 4. Key features of Python and their usage in Business Analytics 5. Business Analytics with Python – Real world Use Cases

Why Python?

Python is a preferred choice among professionals looking into Big Data Analytics and its feature of being a general-purpose, high level programming with a gradual learning curve makes it popular as compared to other programming languages.

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Brief Overview of Python

Introduction

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Welcome! Are you completely new to programming? If not then we presume that you will be looking for information about why and how to get started with python. Fortunately you are a fresher or experienced programmer in any programming language would pick up Python very quickly. It’s easy for beginners use and learn, so jump in! Join Python Training in Chennai at Besant Technologies to Learn from here and finally remove ‘L’ from it!

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Introduction to strings in python

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In Python, the strings should be created by simply enclosing the characters in quotes.Strings are the ordered blocks of text that are enclosed in single or double quotations. 

Built-in String Methods

  • capitalize() – Capitalize the first letter of string.
  • count(str, beg= 0, end=len(string)) – Count how many times  the str occurs in string.
  • encode(encoding=‘UTF-8’,errors=‘strict’) – Return the encoded string version of string; on error, default raises a ValueError, unless the error is given with ‘ignore’ or ‘replace’.
  • decode (encoding=‘UTF-8’, errors=‘strict’) – Decode the string using the codec registered for Encoding. Encoding defaults to the default string function.
  • index(str, beg=0, end=len(string))- Same as find(), but it raises an exception if str is not found.
  • max(str)- Return the max alphabetical character from the string str.
  • min(str)- Return the min alphabetical character from the string str.
  • replace(old, new [, max])- Rse
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