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Igor Protsenko
15,651 PointsKey for a sorted function
Why lambda is neccesary? Can't we just type :
sorted(... ,key=step.order)
1 Answer
Chris Freeman
Treehouse Moderator 68,468 PointsThe lambda is necessary because the key argument expects a function. See sorted docs. The function supplied by key is called on each item to be sorted to obtain a value to sort by.