Somethingls wrong with my code bit

Question

It works fine with a complier but there is a mistake in hidden cases
https://code.sololearn.com/cibpTKPyFKBO/?ref=app

Answer 1

You have to round off the price to nearest whole number

https://code.sololearn.com/cmgx7u0mBAtM/?ref=app

Answer 2

Atul so round is auto saved function in cmath library