Sol

Example heading with h2 size

Example heading with h3 size

Following is sample java code.

class Book:
    def __init__(self, title, genre, rating):
        self.title = title
        self.genre = genre.strip()  # Remove any leading or trailing whitespace
        self.rating = rating


class LibraryManagement:
    def __init__(self):
        self.inventory = []

    def add_book(self, book):
        self.inventory.append(book)

    def get_highest_rated_books(self, x):
        if not self.inventory:
            return []

        # Sort books by rating in descending order and return the top x books
        sorted_books = sorted(self.inventory, key=lambda b: b.rating, reverse=True)
        return sorted_books[:min(x, len(sorted_books))]

    def recommend_top_book_by_genre(self, genre):
        genre = genre.strip().lower()  # Normalize input genre
        # Filter books by genre (case-insensitive) and get the one with the highest rating
        genre_books = [book for book in self.inventory if book.genre.lower() == genre]
        if genre_books:
            top_book = max(genre_books, key=lambda b: b.rating)
            return top_book
        return None


# Sample input handling for custom testing
def main():
    n = int(input().strip())  # Number of books
    library = LibraryManagement()
    
    for _ in range(n):
        title, genre, rating = input().strip().split(', ')
        rating = float(rating)
        book = Book(title, genre, rating)
        library.add_book(book)
    
    x = int(input().strip())  # Number of books to recommend
    genre = input().strip()  # Genre to recommend from

    highest_rated_books = library.get_highest_rated_books(x)
    if highest_rated_books:
        print("Highest Rated Books:")
        for book in highest_rated_books:
            print(f"{book.title}, Rating: {book.rating}")
    else:
        print("No books in the inventory.")

    top_genre_book = library.recommend_top_book_by_genre(genre)