'''
b1=Book("HP","JKR")
b2=Book("ABC","AUT1")
lib.book.append(b1)
lib.book.append(b2)
'''
n = int(input("enter the number of books"))
for i in range(n):
print("enter book", i + 1)
name = input()
author = input()
b = Book(name, author)
lib.book.append(b)
print(lib)
b = []
b.append(Book("HP", "JKR"))
b.append(Book("ABC", "AUT1"))
b.append(Book("HP", "Aut2"))
b1 = Book("HP", "aut4")
for i in b:
if b1 == i:
print(i)
''''
print(b1.__eq__(b2))
print(b2.__eq__(b3))
print(b1==b2)
print(b1==b3)
''' ''
