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Python Basic Object-Oriented Python Emulating Built-ins Emulating Built-ins

Posted by vbqlkxxmbb
vbqlkxxmbb
5,030 Points

Create a __str__ method for this book class. Return a string with the author and title of the book. Ex: John Green, Pape

Can somebody please be so kind and post the complete code for this tasks 1,2,3 i want to compare it with my mess that i did. I have been trying to resolve this for to long now. Please post the code so i can compare it.

2 Answers

Jassim Alhatem
Jassim Alhatem
20,883 Points

Task 1 and 2

class Book:
    def __init__(self, author, title):
        self.author = author
        self.title = title

    def __str__(self):
        return "{}, {}".format(self.author, self.title)

    def __eq__(self, other):
        return self.author + self.title == other

Task 3 

from book import Book


class BookCase:
    def __init__(self):
       self.books = []

    def add_books(self, book):
        self.books.append(book)

    def __iter__(self):
        yield from self.books
vbqlkxxmbb
vbqlkxxmbb
5,030 Points

Thank you so much, this was the real deal answer. I made so many mistakes in my code with this one that i completely erased it at the end, now i understand better this whole task.

Kind Regards

Evelyn Meza
Evelyn Meza
4,226 Points

i wrote in this specific code and its giving me a

AssertionError: False is not true : Make sure you have a __iter__ method in your class

code even though its clear I have the def_iter_ method in place already

Megan L
Megan L
2,906 Points
Megan L
Megan L
2,906 Points 
class Book:
    def __init__(self, author, title):
        self.author = author
        self.title = title

    def __str__(self):
        return f'{self.author}, {self.title}'