rewrite list$\_2$ to list$2$

use pd$.$fixnames method to coerce the correct name

remove np$\_$list$2$

rename np$\_$list$1$ to nplist$1$

change $"$np$\_$list$1$ is$\_$and np$\_$list$2"$ to $"$np$\_$list$1*$np$\_$list$2"$

rewrite nplist$2$ to np$\_$list$2$

rewrite list$\_1$ to list$1$