Merge orders with stalls on city, keeping every order even where there's no sta…
pandas · from Capstone: an analysis, end to end
mergegroupbyaggpivot_tablesort_valuesvalidate=Putting the kettle on…
Starting up…
Exercise 1
Merge orders with stalls on city, keeping every order even where there's no stall record. Return the row count.
your answer
stuck? the lesson behind it
Capstone: an analysis, end to end
From a messy table to a ranked report — and the two joins that could ruin it.