What is Web Scraping? How do you achieve it in Python?

• Web Scrapping is a way of extracting the large amounts of information which is available on the web sites and saving it onto the local machine or onto the database tables.

• In order to scrap the web:load the web page which is interesting to you. 
• To load the web page, use “requests” module.

• parse HTML from the web page to find the interesting information.
• Python has few modules for scraping the web. 
• They are urllib2, scrapy, pyquery, BeautifulSoap, etc.