How many values in cups are at least 100
NumPy · from Boolean masks
a > na[mask]&|~.sum().any().all()np.count_nonzeroPutting the kettle on…
Starting up…
Exercise 2
How many values in cups are at least 100? Return the count.
your answer
stuck? the lesson behind it
Boolean masks
Selecting by condition — and why the answer comes back flat.