Group orders by city and return a frame with total (sum of cups) and best (max…

pandas · from agg, transform and apply

.agg().transform().filter().apply()named aggregationas_index

Putting the kettle on…

Starting up…

Exercise 1

Group orders by city and return a frame with total (sum of cups) and best (max of cups), using named aggregation.

your answer
stuck? the lesson behind it
agg, transform and apply
Told apart by one thing: the shape of what comes back.