solved(python): programmers

- 해시 / 완주하지 못한 선수

Author: himitery

programmers/python/해시/완주하지_못한_선수/__init__.py

@@ -0,0 +1,11 @@
+from collections import Counter
+from typing import List
+
+
+def solution(participant: List[str], completion: List[str]) -> str:
+    counter = Counter(participant)
+
+    for name in completion:
+        counter[name] -= 1
+
+    return counter.most_common()[0][0]

programmers/python/해시/완주하지_못한_선수/main.py

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+[
+  {
+    "params": [
+      [
+        "leo",
+        "kiki",
+        "eden"
+      ],
+      [
+        "eden",
+        "kiki"
+      ]
+    ],
+    "expected": "leo"
+  },
+  {
+    "params": [
+      [
+        "marina",
+        "josipa",
+        "nikola",
+        "vinko",
+        "filipa"
+      ],
+      [
+        "josipa",
+        "filipa",
+        "marina",
+        "nikola"
+      ]
+    ],
+    "expected": "vinko"
+  },
+  {
+    "params": [
+      [
+        "mislav",
+        "stanko",
+        "mislav",
+        "ana"
+      ],
+      [
+        "stanko",
+        "ana",
+        "mislav"
+      ]
+    ],
+    "expected": "mislav"
+  }
+]

programmers/python/해시/완주하지_못한_선수/sample.json

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+import json
+import os
+import unittest
+
+from parameterized import parameterized
+
+from .main import solution
+
+
+def load_sample(filename: str):
+    path = os.path.join(os.path.dirname(os.path.abspath(__file__)), filename)
+
+    with open(path, "r") as file:
+        return [(case["params"], case["expected"]) for case in json.load(file)]
+
+
+class TestCase(unittest.TestCase):
+    @parameterized.expand(load_sample("sample.json"))
+    def test_case(self, params: list, expected: any):
+        # When
+        result = solution(*params)
+
+        # Then
+        self.assertEqual(expected, result)
+
+
+if __name__ == "__main__":
+    unittest.main()