Dead Simple Python

A Special Attributes and Methods

This appendix is a categorized list of all the special attributes and methods in the Python language. If you’re looking for a particular special method by name, see the index instead.

Complete documentation can be found at https://docs.python.org/3/reference/datamodel.html.

Special Methods

These methods are declared on a class to add support for various Python operators, built-in functions, and compound statements. These are all typically declared as instance methods, unless otherwise indicated.

Table A-1: Conversion and Coercion

Method	Typical purpose	Invocation
obj.__bool__(self)	Returns a boolean: ...