class_01.py

"""
A simple class example.
"""

class Book:
    """
    A simple book class.
    """

    def __init__(self, isbn: str, title: str, author: str):
        """
        The constructor
        """
        self.isbn = isbn
        self.title = title
        self.author = author
        self.page = 0
        self.notes = []

    def set_note(self, note: str, page: int)-> int:
        """
        Sets a reader note.
        """
        self.notes.append((note, page))

    def goto_page(self, page_number: int):
        """
        Sets the current page number. Maximum of 1000.
        """
        if page_number < 1000 > 0:
            self.page = page_number