Data commit

Task/Damm-algorithm/Python/damm-algorithm.py

@@ -0,0 +1,22 @@
+def damm(num: int) -> bool:
+    row = 0
+    for digit in str(num):
+        row = _matrix[row][int(digit)]
+    return row == 0
+
+_matrix = (
+    (0, 3, 1, 7, 5, 9, 8, 6, 4, 2),
+    (7, 0, 9, 2, 1, 5, 4, 8, 6, 3),
+    (4, 2, 0, 6, 8, 7, 1, 3, 5, 9),
+    (1, 7, 5, 0, 9, 8, 3, 4, 2, 6),
+    (6, 1, 2, 3, 0, 4, 5, 9, 7, 8),
+    (3, 6, 7, 4, 2, 0, 9, 5, 8, 1),
+    (5, 8, 6, 9, 7, 2, 0, 1, 3, 4),
+    (8, 9, 4, 5, 3, 6, 2, 0, 1, 7),
+    (9, 4, 3, 8, 6, 1, 7, 2, 0, 5),
+    (2, 5, 8, 1, 4, 3, 6, 7, 9, 0)
+)
+
+if __name__ == '__main__':
+    for test in [5724, 5727, 112946]:
+        print(f'{test}\t Validates as: {damm(test)}')