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Add doctests for cross function. Contributes to #9943 (#12991)

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* Add doctests for cross function. Contributes to #9943

* Update sudoku_solver.py

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Co-authored-by: Maxim Smolskiy <mithridatus@mail.ru>
This commit is contained in:
Dylanskyep
2025-09-24 15:18:44 -04:00
committed by GitHub
parent 8d1fb262da
commit c0ad5bbde4
1 changed files with 13 additions and 0 deletions
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data_structures/arrays/sudoku_solver.py
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@@ -11,6 +11,19 @@ import time
def cross(items_a, items_b): def cross(items_a, items_b):
""" """
Cross product of elements in A and elements in B. Cross product of elements in A and elements in B.
>>> cross('AB', '12')
['A1', 'A2', 'B1', 'B2']
>>> cross('ABC', '123')
['A1', 'A2', 'A3', 'B1', 'B2', 'B3', 'C1', 'C2', 'C3']
>>> cross('ABC', '1234')
['A1', 'A2', 'A3', 'A4', 'B1', 'B2', 'B3', 'B4', 'C1', 'C2', 'C3', 'C4']
>>> cross('', '12')
[]
>>> cross('A', '')
[]
>>> cross('', '')
[]
""" """
return [a + b for a in items_a for b in items_b] return [a + b for a in items_a for b in items_b]