01. Old Books

wanted_book = input()
counter = 0

book = input()
while book != 'No More Books' and book != wanted_book:
    counter += 1
    book = input()

if wanted_book == book:
    print(f'You checked {counter} books and found it.')
else:
    print('The book you search is not here!')
    print(f'You checked {counter} books.')


РЕШЕНИЕ С FOR:

import sys

wanted_book = input()

for i in range(sys.maxsize):
    book = input()
    if wanted_book == book:
        print(f'You checked {i} books and found it.')
        break
    elif book == 'No More Books':
        print('The book you search is not here!')
        print(f'You checked {i} books.')
        break