ZLocation | ZLocation is the new Jump-Location | Command Line Interface library

Using individual variables for each list is not the way to go — especially since you don't know ahead of time what the data contains. You should use a data structure like a dictionary to make the data easy to work with and keep it in one place.

You can use itertools.groupby to turn your list into a dictionary of lists. The keys will be the animal and the values will be the list of animals. You will need to make sure the list is sorted so the identical animals are grouped together:

Just use Js2PY. It's written in Python so of course you'd have to have Python but other than that your good. If you want to go the long way then learn Python which would be better because once you have your code in Python you know how to change it.

If you know some programming, learning python won't take long.

For the blender specific info, almost everything is accessed through the bpy module, the API reference is online.

You can refer to an object by name in bpy.data.objects[]. There are also other lists available, like bpy.context.selected_objects[] and bpy.context.visible_objects[].

An objects location is an array of three values (x,y,z), you can either access the z location as location.z or location[2].