Column Vector
easynumpy_basicsImplement to_column(x).
Given a 1D array x of length n, return it as a 2D column vector of
shape (n, 1). Remember that x.T leaves a 1D array unchanged — you need to
add a new axis (e.g. reshape(-1, 1) or x[:, None]). No for/while loops.
Constraints
- no for/while loops
Your solution
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Hints
Hint 1
Transposing a 1D array does nothing; add an axis instead: x.reshape(-1, 1) or x[:, None].