DOC: Add copyto example (#22292)
DOC: Add copyto example (#22292)


endolith/numpy,mhvk/numpy,numpy/numpy,endolith/numpy,mhvk/numpy,charris/numpy,endolith/numpy,charris/numpy,numpy/numpy,mattip/numpy,mhvk/numpy,mattip/numpy,numpy/numpy,mattip/numpy,charris/numpy,mattip/numpy,charris/numpy,mhvk/numpy,endolith/numpy,numpy/numpy,mhvk/numpy