flutter - Group teams in a Dart List and create team score

Question

This is a firestore query that generates The list below. What is the best way to iterate through the list and find the players with same teamID, create another list with teams grouped together and add their ptotal points together for a team total points. I can't seem to figure this out.

Dart List

question from:https://stackoverflow.com/questions/65838316/group-teams-in-a-dart-list-and-create-team-score

Answer 1

Waitting for answers