p a crawler that collects the email addresses in the visited web pages. You can write a function emails() that takes a document (as a string) as input and returns the distinct email addresses appearing in it [remove duplicate email addresses]. You should use a regular expression to find the email addresses in the document. 1. Use your WebCrawler to check email links in https://www.google.com/ mailto:somebody@example.net mailto:somebody@example.net mailto:nobody@example.net mailto:anybody@
p a crawler that collects the email addresses in the visited web pages. You can write a function emails() that takes a document (as a string) as input and returns the distinct email addresses appearing in it [remove duplicate email addresses]. You should use a regular expression to find the email addresses in the document. 1. Use your WebCrawler to check email links in https://www.google.com/ mailto:somebody@example.net mailto:somebody@example.net mailto:nobody@example.net mailto:anybody@
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Question
In Python
Develop a crawler that collects the email addresses in the visited web pages. You can write a function emails() that takes a document (as a string) as input and returns the distinct email addresses appearing in it [remove duplicate email addresses]. You should use a regular expression to find the email addresses in the document.
1. Use your WebCrawler to check email links in
https://www.google.com/
mailto:somebody@example.net
mailto:somebody@example.net
mailto:nobody@example.net
mailto:anybody@example.net
mailto:everybody@example.net
2. Use your WebCrawler to check email links in any URL.
3. Explain the code and how it works.
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