for i in range(len(data)):
            #update entity collection
            con_0={"identifiers":{"$elemMatch":{"namespace":"Seq_ID","value":str(data.iloc[i,0])[str(data.iloc[i,0]).find("W"):str(data.iloc[i,0]).rfind("|")]}}}
            entity = self.build_entity(data,i)
            self.entity_col.update_one(con_0,