Break up doctests' assignment and display lines
Break up doctests' assignment and display lines

As some of these doctests need to be skipped, but their results are
still needed for later doctests, break up the assignment and display
lines.

jakirkham/nanshe,nanshe-org/nanshe,DudLab/nanshe,nanshe-org/nanshe,DudLab/nanshe,jakirkham/nanshe