Փոփոխել ատրիբուտները

class Book:
    def __init__(self, title, author, pages):
        self.title = title     # Assign title to the book instance
        self.author = author   # Assign author to the book instance
        self.pages = pages     # Assign number of pages to the book instance
        self.is_read = False   # Book has not been read yet


book1 = Book('To Kill a Mockingbird', 'Harper Lee', 281)

print(book1.pages)            # 281
book1.pages = 324             # Update the number of pages
print(book1.pages)            # 324

print(book1.author)           # 'Harper Lee'
book1.author = 'Lee, Harper'  # Update the author's name
print(book1.author)           # 'Lee, Harper'