We provide a toolkit for the combinatorialist to help find functions ("statistics") s: A -> Z and bijections A -> B given sequences of finite sets A and B that satisfy various constraints.

Depends on #34881
Depends on #34878

CC: @stumpc5 @tscrim @fchapoton

Component: combinatorics

Author: Alexander Grosz, Tobias Kietreiber, Stephan Pfannerer, Martin Rubey

Branch/Commit: u/mantepse/a_bijectionist_s_toolkit @ 53506aa

Reviewer: Matthias Koeppe, ...

Issue created by migration from https://trac.sagemath.org/ticket/33238