OOP object-oriented basis of python

# Class (object-oriented) the PageObject design pattern unittest knowledge 

# functional programming 
Import datetime 
book_info = { 
    "title": "the Python", 
    ". Price": "33.1", 
    "auther": "moto", 
    "Publisher": " Peking University ", 
    " pubDate ": datetime.datetime.today () 
} 

DEF seacher_book (book): 
    Print (" the book's theme is:. "format (book_info {} [" title "])) 
    Print (" it the price of the book is:. "format (book_info {} [". price "])) 
    Print (" author of this book is:. "format (book_info {} [" auther "])) 
    Print (" book Society is out:. "the format (book_info.get (" {} Publisher "))) 
    Print (" time of publication of this book: ". format (book_info.get (" {} pubdate "))) 
# 
# IF the __name__ == '__main__': 
# seacher_book (book_info) 

# constructor 
# class Book:
#     def __init__(self,title,author,price,publisher,pubdate):
#         self.title = title
#         self.author = author
#         self.price = price
#         self.publisher = publisher
#         self.pubdate = pubdate
#
# book = Book("Selenium",'Teacher',"43.33","清华大学",datetime.datetime.today())
# print(book.title)
# print(book.author)
# print(book.price)
# print(book.publisher)
# print(book.pubdate)

#类构造函数
# class Book:
#     def __init__(self,title,author,price,publisher,pubdate):
#         self.title = title
#         self.author = author
#         self.price = price
#         self.publisher = publisher
PubDate self.pubdate = # 
# 
# DEF seacher_book (Self): 
# Print ( "The book's theme is: {}." Format (self.title)) 
# Print ( "price of the book is: {}" .format (self.price)) 
# Print ( "author of this book is: {}." format (self.author)) 
# Print ( "book of the Society are: {}". format (self . Publisher)) 
# Print ( "time of publication of this book: {}." the format (self.pubdate)) 
# 
# IF the __name__ == '__main__': 
# = book book ( "the Selenium", 'Teacher', " 43.33 "," "()) , datetime.datetime.today Tsinghua 
# book.seacher_book () 

written # default value of 
# class Book: 
# DEF __init __ (Self, 
# title =" Appium test ", 
# = author"",
#                  price = 0.0,
None Publisher = #, 
# = pubDate datetime.datetime.now ()): 
# = self.title title 
# self.author author = 
# = self.price. Price 
# self.publisher Publisher = 
# = pubDate self.pubdate 
# 
# DEF seacher_book (Self): 
# Print ( "the book's theme is: {}." format (self.title)) 
# Print ( "price of the book is: {}." format (self.price)) 
# print ( "author of this book is: {}." format (self.author)) 
# print ( "book of the Society is: {}." format (self.publisher)) 
# print ( "this published book is: {} "the format (self.pubdate)). 
# 
# IF the __name__ == '__main__': 
# = book book (" the Selenium ")
#     book.seacher_book()


# # Class inheritance 
## parent class 
# class Book: 
# DEF __init __ (Self, title, author,. Price): 
# self.title title = 
# = author self.author 
# self.price. Price = 
# 
# DEF seacher_book (Self ): 
# Print ( "the book's theme is: {}." format (self.title)) 
# Print ( "author of this book is: {}." format (self.author)) 
# Print ( " price of the book is: {}. "format (self.price)) 
# 
# # subclasses 
# class ReadBook (book): 
# DEF ReadBook (Self): 
# Print (" the book is read in ... " ) 
# 
# 
# # instantiable subclass 
# book = ReadBook ( "Python classic", "Tao", "11.42") 
# book.seacher_book () 
# Book.ReadBook () 


# class rewrite 
# the parent 
class Book:
    __init __ DEF (Self, title, author,. price): 
        self.title = title 
        self.author = author 
        self.price. price = 

    DEF seacher_book (Self): 
        Print ( "The book's theme is: {}". format (self .title)) 
        Print ( "author of this book is: {}." format (self.author)) 
        Print ( "price of the book is: {}." format (self.price)) 

# subclass of 
class ReadBook (Book): 
    # constructor - initialize method (put the public thing) 
    DEF __init __ (Self, title, author,. price, Publisher, pubDate): 
        Book .__ the init __ (Self, title, author,. price) 
        Self. Publisher = Publisher 
        self.pubdate = pubDate 

    DEF ReadBook (Self): 
        Print ( "the book is read in ...") 

    DEF seacher_book (Self):
        print ( "The book's theme is: {}." format (self.title)) 
        print ( "price of the book is: {}." format (self.price)) 
        print ( "author of the book is: {}. "the format (self.author)) 
        Print (" Society book that is: {}. "the format (self.publisher)) 
        Print (" time of publication of this book: {}. " format (self.pubdate)) 

# instantiable subclass 
book = ReadBook ( "Python classic", "Tao", "11.42 ", " Tsinghua University Press", datetime.datetime.now ()) 
book.readbook () 
Book .seacher_book ()