Data Science Prerequisites - Numpy, Matplotlib, and Pandas in Python - Arrays Versus Lists

Data Science Prerequisites - Numpy, Matplotlib, and Pandas in Python - Arrays Versus Lists

Assessment

Interactive Video

Information Technology (IT), Architecture

University

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

The video tutorial compares Python lists and numpy arrays, highlighting their similarities and differences. It covers basic operations like looping, adding items, and concatenation. The tutorial explains broadcasting in numpy, scalar multiplication, and repetition in lists. Advanced list operations using loops and comprehensions are demonstrated, along with element-wise operations in numpy. The focus is on understanding how lists and arrays function differently, especially in mathematical contexts.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary focus of numpy arrays compared to Python lists?

Handling user inputs

Storing generic data

Performing mathematical operations

Managing file systems

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is a correct way to create a numpy array from a list?

array = numpy.create([1, 2, 3])

array = numpy.array([1, 2, 3])

array = numpy.list([1, 2, 3])

array = numpy.new([1, 2, 3])

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why can't you use the append method with numpy arrays?

Numpy arrays do not support any methods

Numpy arrays are immutable

Numpy arrays are only for numerical data

Numpy arrays have a fixed size

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the result of adding a scalar to a numpy array?

The array is converted to a list

The scalar is added to each element of the array

The operation is not allowed

The scalar is appended to the array

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How does numpy handle the addition of two arrays of different sizes?

It concatenates the arrays

It broadcasts the smaller array

It performs element-wise addition

It throws an error

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What operation does the multiplication operator perform on a numpy array?

Repetition

Concatenation

Division

Element-wise multiplication

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following operations is not directly supported by Python lists?

Appending elements

Repetition

Element-wise addition

Concatenation

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