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1) How would you create a taxonomy to identify key customer trends in unstructured data?

The best way to approach this question is to mention that it is good to check with the business owner and understand their objectives before categorizing the data. Having done this, it is always good to follow an iterative approach by pulling new data samples and improving the model accordingly by validating it for accuracy by soliciting feedback from the stakeholders of the business. This helps ensure that...

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1 Comments | Posted in Python Interview Questions By Venkatesan M

1. What is JSON? How would convert JSON data into Python data?

JSON – stands for JavaScript Object Notation. It is a popular data format for storing data in NoSQL
databases. Generally JSON is built on 2 structures.

  1.  A collection of <name, value> pairs.
  2.  An ordered list of values.
    As Python supports JSON parsers, JSON-based data is actually represented as a dictionary in Python. You can convert json data into python using load() of json module.


2. How are the functions help() and dir() different?


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0 Comments | Posted in Python By Rajesh

Python is a favorite among many developers for its strong emphasis on readability and efficiency, especially when compared to other languages like Java, PHP, or C++.


Sure, it’s old, but it’s 1980s old, not Cobol or Fortran old. Besides, if something works, why change it, especially when there are a so many ways to improve it.


Actually, depending on how you view it, longevity is a good thing in itself—a sign of stability and reliability.


If you’re like many people who first started out with Java,...

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1 Comments | Posted in Python By Venkatesan M


1) Compare Hadoop & Spark


Criteria                                           Hadoop                                                   Spark

Dedicated storage                           HDFS                                                     None

Speed of processing                        average                                                excellent

Libraries                                        Separate tools available                        Spark Core, SQL, Streaming, M...

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3 Comments | Posted in Hadoop By Venkat


1)   Explain what is PowerShell?

Power shell is an extendable command shell and a scripting language for Windows.


2)   What are the key characteristics of PowerShell?

The key characteristics of PowerShell are

  • PowerShell is object-based and not text based
  • Commands in PowerShell are customizable
  • It is a command line interpreter and scripting environment


3)   In PowerShell what does variables holds?

In variables PowerShell contains strings, integers and objects.  It does not have special variables as it...

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1 Comments | Posted in PowerShell By Venkatesan M


What is the best way to learn Python? This is the question many people ask me when they meet us to discuss on Python courses offered by myTectra.


Python is a general-purpose interpreted, interactive, object-oriented and high-level programming language. Currently Python is the most popular Language in IT. Python adopted as a language of choice for almost all the domain in IT including Web Development, Cloud Computing (AWS, OpenStack, VMware, Google Cloud, etc.. ), Infrastructure Automation , Sof...

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0 Comments | Posted in Python By Venkatesan M