Index P | R P Python Enhancement Proposals PEP 3107, [1] PEP 420, [1], [2] PEP 426 PEP 443 PEP 483, [1] PEP 484, [1], [2], [3], [4], [5], [6], [7], [8], [9] PEP 484#annotating-instance-and-class-methods PEP 484#arbitrary-argument-lists-and-default-argument-values PEP 484#newtype-helper-function PEP 484#support-for-singleton-types-in-unions PEP 492 PEP 526, [1], [2], [3], [4], [5], [6], [7] PEP 544 PEP 544#self-types-in-protocols PEP 557#id7 PEP 557#inheritance PEP 557#post-init-parameters PEP 570 PEP 585 PEP 586, [1] PEP 589, [1] PEP 589#alternative-syntax PEP 591, [1], [2] PEP 593 PEP 604 PEP 612 PEP 613 PEP 646, [1], [2] PEP 647 PEP 655, [1] PEP 673 PEP 681 PEP 692 PEP 695, [1], [2] PEP 698 R RFC RFC 2119