Data Science Interview Questions and Answers for Python, Pybrain

Basic python data science interview Questions

Q. Explain what is transpose?


A. Transpose is used for reshaping of the data which is used for analysis. Transpose is performed by t() function.

Q. What are the most common web frameworks of Python?


A. Django and Flask.
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Q. How to convert n number of series to a dataframe ?
A. DataFrame(data = {‘col1’:series1,’col2’:series2}).

Q. How to select a section of a dataframe in Data Science?
A. Using iloc and loc functions the rows and columns can be selected.

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Q. How are exceptions handled in Python?
A. Exceptions can be handled using the try except statements.

Q. Is multiprocessing possible in python in data science?
A. Yes it is possible using the multiprocessing module.

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