class Library:
def __init__(self):
self.noBooks = 0
self.books = []
def addBook(self, book):
self.books.append(book)
self.noBooks = len(self.books)
def showInfo(self):
print(f"The library has {self.noBooks} books. The books are")
for book in self.books:
print(book)
l1 = Library()
l1.addBook("Harry Potter1")
l1.addBook("Harry Potter2")
l1.addBook("Harry Potter3")
l1.showInfo()