encoding The name of the encoding that raised the error.

exception UnboundLocalError Raised when a reference is made to a local variable in a function or method, but no value has been

exception StopIteration Raised by built-in function

start The first index of invalid data in

exception FileNotFoundError Raised when a file or directory is requested but doesn’t exist. Corresponds to errno

args The tuple of arguments given to the exception constructor. Some built-in exceptions (like OSError) expect

exception BaseException The base class for all built-in exceptions. It is not meant to be directly inherited by user-defined

filename filename2 For exceptions that involve a file system path (such as

exception SystemError Raised when the interpreter finds an internal error, but the situation does not look so serious to cause

exception IndexError Raised when a sequence subscript is out of range. (Slice indices are silently truncated to fall in the