Question: I have an array called arr. It's current shape is (812160,). I need to reshape it into a two-dimensional, two-column array. I tried --> arr.reshape(-1,2),

I have an array called arr. It's current shape is (812160,). I need to reshape it into a two-dimensional, two-column array. I tried --> arr.reshape(-1,2), but the shape remains the same (812160,). What am I doing wrong?

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