DOC:Add example to clarify "numpy.save" behavior on already open file #10445 (#14070)
DOC:Add example to clarify "numpy.save" behavior on already open file #10445 (#14070)

* DOC:Add example to clarify "numpy.save" behavior on already unclosed file
MSeifert04/numpy,mattip/numpy,anntzer/numpy,rgommers/numpy,endolith/numpy,numpy/numpy,seberg/numpy,jorisvandenbossche/numpy,ahaldane/numpy,WarrenWeckesser/numpy,grlee77/numpy,anntzer/numpy,grlee77/numpy,endolith/numpy,abalkin/numpy,pizzathief/numpy,charris/numpy,rgommers/numpy,jakirkham/numpy,pdebuyl/numpy,seberg/numpy,pdebuyl/numpy,endolith/numpy,seberg/numpy,pizzathief/numpy,mhvk/numpy,jakirkham/numpy,pdebuyl/numpy,pbrod/numpy,mhvk/numpy,grlee77/numpy,MSeifert04/numpy,pdebuyl/numpy,endolith/numpy,jorisvandenbossche/numpy,ahaldane/numpy,mattip/numpy,WarrenWeckesser/numpy,abalkin/numpy,pizzathief/numpy,jakirkham/numpy,mhvk/numpy,mhvk/numpy,MSeifert04/numpy,WarrenWeckesser/numpy,pbrod/numpy,madphysicist/numpy,ahaldane/numpy,simongibbons/numpy,numpy/numpy,abalkin/numpy,numpy/numpy,grlee77/numpy,madphysicist/numpy,anntzer/numpy,charris/numpy,pizzathief/numpy,simongibbons/numpy,MSeifert04/numpy,madphysicist/numpy,WarrenWeckesser/numpy,grlee77/numpy,pbrod/numpy,jorisvandenbossche/numpy,rgommers/numpy,charris/numpy,charris/numpy,mhvk/numpy,rgommers/numpy,mattip/numpy,MSeifert04/numpy,pbrod/numpy,simongibbons/numpy,ahaldane/numpy,numpy/numpy,mattip/numpy,anntzer/numpy,simongibbons/numpy,ahaldane/numpy,jakirkham/numpy,madphysicist/numpy,WarrenWeckesser/numpy,seberg/numpy,jakirkham/numpy,simongibbons/numpy,jorisvandenbossche/numpy,pizzathief/numpy,madphysicist/numpy,jorisvandenbossche/numpy,pbrod/numpy