introduction to pytorch [ ][ ]]in [ ] shape out[ ]torch size([ ]in [ ]mask torch bytetensor([[ ],[ ],[ ]]in [ ]mask out[ ]tensor([[ ][ ][ ]]dtype=torch uint in [ ]mask shape out[ ]torch size([ ]in [ ] torch masked_select(amaskin [ ] out[ ]tensor([ ]in [ ] shape out[ ]torch size([ ]the squeeze method removes all dimensions with value of oneas illustrated in listing - listing - reshaping tensor with the squeeze method in [ ] torch zeros( , , in [ ] out[ ]tensor([[[ ][ ]]