Basic syntax of class

The first 1 Turn off ： Class declaration and definition

Python It is an object-oriented language . object-oriented programming - Object Oriented Programming（ abbreviation OOP） It's a kind of programming idea , In object oriented programming , Take the object as the basic unit of the program , Think of a program as a collection of objects . An object includes data and methods of manipulating data , Message passing becomes the method of contact object

#  Please fill in the definition below Book Class code 
########## Begin ##########
class Book(object):
########## End ##########
    ' Books '
    def __init__(self,name,author,data,version):
        self.name