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ksieradzinski

Jun 5th, 2025

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# "W pustyni i w puszczy", "Henryk Sienkiewicz"
class Author:
def __init__(self, first_name: str, last_name: str):
self.first_name = first_name
self.last_name = last_name
def get_info(self):
return f"{self.first_name} {self.last_name}"
class Category:
def __init__(self, name):
self.name = name
class Book:
def __init__(self, title: str, author: Author, categories:list = None):
self.title = title
self.author = author
self.categories = [] if categories is None else categories
def get_info(self):
return f"Książka {self.title}, autorem tej książki jest {self.author.get_info()}"
# Kompozycja
# Zamiast rozbudowywać jedną klasę, łączymy ze sobą różne klasy poprzez obiekty
cat_1 = Category("Lektura")
cat_2 = Category("Przygodowa")
henry = Author("Henryk", "Sienkiewicz")
book = Book(title="W pustyni i w puszczy", author=henry, categories=[cat_1, cat_2])
print(book.get_info())
sophia = Author("Zofia", "Nałkowska")
book = Book(title="Granice", author=sophia, categories=[cat_1])
print(book.get_info())

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