@book{6114,
	author = { Lutz, Mark and Mark Lutz.},
	title = { Learning Python: },
	publisher = { O'Reilly,},
	year = {2018},
	address = {Beijing :},
	edition = {5th ed.},
	url = {https://books.google.com.pk/books?id=q8W3WQbNWmkC&printsec=frontcover#v=onepage&q&f=false}
}