[3.7] Make the first dataclass example more useful (GH-19994)#19998

Merged

ericvsmith merged 1 commit intopython:3.7from miss-islington:backport-2effef7-3.7

May 8, 2020

+2

Commits on May 8, 2020

Make the first dataclass example more useful (pythonGH-19994 )

nedbat
authored and
miss-islington
committed