Losing weight after birth question ..

Racheal • First Time Mommaa | 17 &&&' Pregnant | Due Sept 15th | Blessed With Our BabyGirl Leiana Ann Pritchett💖👶🏽👨‍👩‍👧😍🎀
Heard breast feeding helps lose weight after birth .. Does breast pumping work as much as breast feeding (to lose weight) or no ?