DOC: add examples to np.char.multiply (#22294)
DOC: add examples to np.char.multiply (#22294)

resolves #22267 partially by adding examples to np.char.multiply

* DOC: add examples to np.char.mutiply

* Update numpy/core/defchararray.py

Co-authored-by: Ross Barnowski <e9fb290bfd0a4406872fd6103425d9efafcfa051@berkeley.edu>

* Update numpy/core/defchararray.py

Co-authored-by: Ross Barnowski <e9fb290bfd0a4406872fd6103425d9efafcfa051@berkeley.edu>

Co-authored-by: Ross Barnowski <e9fb290bfd0a4406872fd6103425d9efafcfa051@berkeley.edu>
numpy/numpy,numpy/numpy,mhvk/numpy,charris/numpy,endolith/numpy,mattip/numpy,numpy/numpy,mattip/numpy,mattip/numpy,mhvk/numpy,endolith/numpy,mhvk/numpy,charris/numpy,mhvk/numpy,numpy/numpy,charris/numpy,mhvk/numpy,charris/numpy,mattip/numpy,endolith/numpy,endolith/numpy