I am trying to retrieve the maximum wall width along with the ID of the corresponding wall.
It may seem like grouping related values/objects into sublists is the best way to maintain a relationship, but it actually makes list manipulation very difficult. Maintaining relationships through indexes of separate lists actually makes things a lot easier. Using something like List.GroupByKey
or List.SortByKey
allows you to manage two lists independently while maintaining the proper indexing relationship.
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