introduction to pytorch listing - extracting parts of tensor using unbind in [ ] out[ ]tensor([[ ][ ][ ]]in [ ] shape out[ ]torch size([ ]in [ ]torch unbind( out[ ](tensor([ ])tensor([ ])tensor([ ])in [ ]torch unbind( out[ ](tensor([ ])tensor([ ])tensor([ ])listing - illustrates creating tensor from an existing tensor using the where method listing - constructing tensor from an existing tensor using the where method in [ ] torch zeros( , in [ ] out[ ]tensor([[ ][ ][ ]]in [ ] shape out[ ]torch size([ ]in [ ] torch ones( ,