Checkpoint
One last thing before we move on. Same surface as a write step — but the lesson doesn't complete until this passes.
Checkpoint: write active_average_by_country(rows) so it returns average spend for active users by country.
One last thing before we move on. Same surface as a write step — but the lesson doesn't complete until this passes.
Checkpoint: write active_average_by_country(rows) so it returns average spend for active users by country.