Free Introduction to Python for Data Science Questions and Answers

Question 1

What command will enable you to obtain a stack trace while using the interactive Python debugger?

Accepted Answer

Where

Answer

Step

Answer

Whatis

Answer

P

Question 2

Choosing the incorrect command to create and reshape a 60-integer array when the NumPy package has been imported as an object with the name np

Accepted Answer

myArray=np.arrange(60).reshape(8,7)

Answer

myArray=np.arrange(60).reshape(12,5)

Answer

myarray=np.linspace(0,60,60).reshape(3,20)

Answer

myArray=np.arrange(60).reshape(10,6)

Question 3

Which activity does not fall under the data science lifecycle's Dissemination phase?

Accepted Answer

Creating and managing analysis scripts

Answer

Deploying findings and reports to a production environment

Answer

Publishing and sharing result findings

Answer

Writing reports of the results from each iteration

Question 4

What kind of data can be used to satisfy the needs of an application that has datasets that are not suited for an RDBMS yet require order and hierarchy

Accepted Answer

Semi-structured

Answer

Unstructured

Answer

Structured

Answer

Complex

Question 5

What does Python's "capture" cell magic command not support?

Accepted Answer

It cannot be used to capture graphical cell output

Answer

It can be used to capture the standard error stream of a cell

Answer

It can capture textual cell output into variable in the current namespace

Answer

It can be used to capture the standard output stream of a cell

Question 6

What does the Jupyter Notebook application not apply to?

Accepted Answer

Cell may only be run one at a time

Answer

A notebook server must be running in order to create and interact with notebook documents

Answer

It is web-based, interactive computing environment

Answer

Code may be stored and run one at a time

Answer

Code may be stored and run along with its output in each notebook document

Question 7

What qualifies as not a property of an ndarray object?

Accepted Answer

length

Answer

shape

Answer

dtype

Answer

ndim