Web Scraping Tutorial with Scrapy and Python for Beginners - Selecting and Extracting Data using CSS Selector and Xpath

Web Scraping Tutorial with Scrapy and Python for Beginners - Selecting and Extracting Data using CSS Selector and Xpath

Assessment

Interactive Video

Information Technology (IT), Architecture, Social Studies

University

Hard

Created by

Quizizz Content

FREE Resource

The video tutorial explains how to use CSS selectors and XPath to select data in web scraping. It covers methods like 'get' and 'get all' for extracting data, and compares them with the 'extract' method from older Scrapy versions. The tutorial highlights the differences and similarities between these methods, emphasizing the transition from 'extract' to 'get' and 'get all' for better readability and functionality.

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5 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary purpose of using CSS selectors in web scraping?

To create animations

To manage server requests

To style the webpage

To select and extract data from a webpage

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which method would you use to extract all titles from a webpage?

query

select

get_all

get

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the context of Scrapy, what is the main difference between the get_all and extract methods?

They perform the same function but have different names

get_all is faster than extract

get_all is used for single items, extract for multiple

extract is deprecated and no longer works

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why was the extract method overshadowed by the get_all method in newer versions of Scrapy?

get_all offers more features

extract was not compatible with new web standards

get_all is more readable and concise

extract was too complex to use

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How can you extract only the first occurrence of a data element using the extract method?

Use query_first

Use get_first

Use extract_first

Use select_first