Mastering Python for Networking and Security

Managing exceptions

Exceptions are errors detected by Python during program execution. When the interpreter encounters an exceptional situation, such as trying to divide a number by 0 or trying to access a file that does not exist, it generates or throws an exception, informing the user that there is a problem.

If the exception is not captured, the execution flow is interrupted and the information associated with the exception in the console is displayed so that the programmer can solve the problem.

Let's see a small program that would throw an exception when trying to divide 1 by 0. If we execute it, we will get the following error message:

The first thing that is shown is the traceback, which consists of a list of the calls that caused ...