These are the packages that would be merged, in order:

Calculating dependencies ... done!
Dependency resolution took 1.63 s (backtrack: 0/20).

[ebuild  NS    ] dev-lang/python-3.16.0_alpha1:3.16::gentoo [3.13.12:3.13::gentoo, 3.14.3:3.14::gentoo] USE="ensurepip gdbm ncurses pgo readline sqlite ssl -bluetooth -build% -debug -examples (-jit) -libedit -tail-call-interp -test -tk -valgrind -verify-sig" LLVM_SLOT="21%* (-19%*)" 34554 KiB

Total: 1 package (1 in new slot), Size of downloads: 34554 KiB