Now, let's handle the error for the first time.

from math import sqrt

sqrt(-4)  # ValueError

Since finding the square root of a negative number is not possible (according to mathematical concepts), performing this operation in Python is not feasible. The interpreter takes this into account and raises a `ValueError` with the following message: `math domain error`.

Have you encountered errors in Python when running the program? No programmers prevent this. If you want to learn how to perceive, process, and use errors correctly - this course is for you. Here is information about the types of errors, how to deal with them, and how to use them to your advantage! Ready? Let's start!

First, you have to learn how to handle errors. Python has tools for this. Of course, you need to understand an "Error" term in Python. You can get acquainted here.

Dive into the Exceptions concept and find out new knowledge about errors and their helpful.

Challenge: Catch an Error

Lösning