I'm working with two dataframes MRP: Material Description Septiembre 1208181 ADSV,NA,MX,ADH HOTMET 814433PM 630.2888856 1206500 SHWP,NA,MX,WRAP M-WRAP 18' 459.
I want to add values in Column C with the conditions that Column B = 0, AND Column A = "a" OR "b" From what I've searched, this would work, but only in excel: