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

Calculating dependencies ... done!
Dependency resolution took 1.61 s (backtrack: 0/20).

[ebuild     U  ] dev-lang/python-3.13.15:3.13::gentoo [3.13.12:3.13::gentoo] USE="ensurepip gdbm ncurses pgo readline sqlite ssl -bluetooth -debug -examples (-jit) -libedit -test -tk -valgrind -verify-sig" LLVM_SLOT="18" 22627 KiB

Total: 1 package (1 upgrade), Size of downloads: 22627 KiB