Shivaji University Python for Data Science Short Answer Questions

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Questions and Answers

What is the purpose of list comprehension in Python?

To allow creating lists using a single line of code (correct)
To convert lists to strings in Python
To comment out lists in Python
To delete items from a list in Python

How are mutable and immutable data structures different in Python?

Mutable data structures cannot be changed after creation, while immutable ones can be modified. (correct)
Mutable data structures are only used for numerical data, while immutable ones are used for strings.
Mutable data structures are faster than immutable ones in Python.
Immutable data structures can change size, while mutable ones have a fixed size.

Which statement best describes the 'if-elif-else' statement in Python?

It is used to handle multiple conditions sequentially. (correct)
It is used to define a loop in Python.
It is used to generate random numbers in Python.
It is used to import external libraries in Python.

In Python, what is the purpose of a 'for loop'?

Iterating over a sequence of elements (D) Signup and view all the answers

What is the significance of importing CSV files in Python?

To manipulate and analyze tabular data efficiently (A) Signup and view all the answers

How can you write comments in Python?

Comments in Python can be written using the '#' symbol. Signup and view all the answers

What are the rules for creating variable names in Python?

Variable names in Python must start with a letter or underscore, followed by letters, digits, or underscores. Signup and view all the answers

Explain the 'if-elif-else' statement in Python.

The 'if-elif-else' statement in Python is used for decision making. It allows the program to execute different blocks of code based on different conditions. Signup and view all the answers

Discuss the 'for' loop in Python.

The 'for' loop in Python is used to iterate over a sequence (list, tuple, string, etc.) and execute a block of code for each element in the sequence. Signup and view all the answers