Add np.array([100, 200, 300]) down the rows of a — so row 0 gains 100, row 1 ga…
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Exercise 2
Add np.array([100, 200, 300]) down the rows of a — so row 0 gains 100, row 1 gains 200, row 2 gains 300.
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How NumPy makes mismatched shapes work — without copying anything.