Filtering with Boolean Masks
A comparison such as a > 3 gives an array of True/False, called a mask. Put the mask inside square brackets to keep only the matching values. Combine masks with & (and) and | (or), each condition in parentheses. np.where picks between two values.
Examplepython
Quick check
What does `(a > 3).sum()` count?
Your turn: write the code
Print only the scores that are 60 or higher.
Finish the quick check (and any code exercise) to complete this lesson, or mark it done yourself.
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