```html Class Book and search by year ```
Python
Easy
classes
Task «```html Class Book and search by year ```»
Create a class `Book` with attributes `title`, `author`, and `year`. Implement the `__str__` method that returns a string in the format `'Title — Author (year)'`. The input first contains a number `n` — the number of books. Then, for each book, three lines are entered: title, author, and year. After that, an integer `target_year` is entered. Output all books whose publication year equals `target_year`, separated by commas, in the order they were entered. If there are no such books, output `'None'`. Constraints: `n ≤ 100`, the year is an integer from 1000 to 2024.
Input Format
First line: an integer n. Then n blocks of three lines each: title, author, year. Last line: an integer target_year.
Output Format
A string of book titles separated by a comma and a space, or 'No'.
Examples
Example 1
INPUT
5.0
10.0
4.0
OUTPUT
Circle with area 78.53981633974483
Rectangle with area 40.0
Example 2
INPUT
1.0
2.0
3.0
OUTPUT
Circle with area 3.141592653589793
Rectangle with area 6.0
main.py