@Book{OL25763874M,
    title: {Automate the Boring Stuff with Python},
    author: {Al Sweigart},
    publisher: {No Starch Press},
    year: {2015},
    place: {San Francisco, USA},
}

@Book{OL24453347M,
    title: {Python},
    author: {Mark Lutz},
    publisher: {O’Reilly Media},
    year: {2009},
    place: {Beijing},
}

@Author{OL411267A,
    name: {Mark Lutz},
}