Python, historically, has not had zero-overhead exceptions. There is a runtime cost associated with a try block. 3.11 will be adding zero-overhead exceptions, t

Python, historically, has not had zero-overhead exceptions. There is a runtime cost associated with a try block. 3.11 will be adding zero-overhead exceptions, though, per https://bugs.python.org/issue40222 https://bugs.python.org/issue40222.