🟢 Solve problem 1512

Author: AF2B

.vscode/settings.json

@@ -0,0 +1,11 @@
+{
+    "python.testing.unittestArgs": [
+        "-v",
+        "-s",
+        "./python",
+        "-p",
+        "*test.py"
+    ],
+    "python.testing.pytestEnabled": false,
+    "python.testing.unittestEnabled": true
+}

python/1512.py

@@ -0,0 +1,31 @@
+import unittest
+
+class Solution:
+    def numIdenticalPairs(self, nums: list[int]) -> int:
+        results = []
+        result = 0
+
+        for i in range(len(nums)):
+            for j in range(i + 1, len(nums)):
+                if nums[i] == nums[j]:
+                    results.append((i, j))
+
+        for _ in results:
+            result += 1
+
+        return result
+
+class TestNumIdenticalPairs(unittest.TestCase):
+    def setUp(self):
+        self.sol = Solution()
+
+    def testNumIdenticalPairs(self):
+        self.assertEqual(self.sol.numIdenticalPairs([1, 2, 3, 1, 1, 3]), 4,
+                         "Erro: esperado 4 pares bons para a lista [1, 2, 3, 1, 1, 3]")
+        self.assertEqual(self.sol.numIdenticalPairs([1, 1, 1, 1]), 6,
+                         "Erro: esperado 6 pares bons para a lista [1, 1, 1, 1]")
+        self.assertEqual(self.sol.numIdenticalPairs([1, 2, 3]), 0,
+                         "Erro: esperado 0 pares bons para a lista [1, 2, 3]")
+
+if __name__ == '__main__':
+    unittest.main()