10.py

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

    def info(self):
        status = "Available" if self.available else "Borrowed"
        print(f"Book: {self.title} by {self.author} | {status}")


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

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

    def borrow_book(self, title):
        for book in self.books:
            if book.title == title:
                if book.available:
                    book.available = False
                    print(f"You borrowed {title}")
                else:
                    print("Book not available")
                return

    def show_books(self):
        for book in self.books:
            book.info()


library = Library()

b1 = Book("Python Basics", "John Smith")
b2 = Book("Machine Learning", "Andrew Ng")

library.add_book(b1)
library.add_book(b2)

library.show_books()
print()

library.borrow_book("Python Basics")
library.borrow_book("Python Basics")
print()

library.show_books()