Tile a Row
easynumpy_combineImplement tile_rows(x, r).
Given a 1D array x of length n and an integer r, return a 2D array of
shape (r, n) in which every one of the r rows is a copy of x. No
for/while loops.
Constraints
- no for/while loops
Your solution
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Hints
Hint 1
np.tile(x, (r, 1)) repeats the whole array x to make r identical rows.