Bite 278 - from collections import Counter, most_common()

Author: boraxpr

278/frequency.py

@@ -0,0 +1,11 @@
+from collections import Counter
+
+
+def major_n_minor(numbers):
+    """
+    Input: an array with integer numbers
+    Output: the majority and minority number
+    """
+    numbers = Counter(numbers)
+    # you code ...
+    return numbers.most_common()[0][0], numbers.most_common()[-1][0]

278/test_frequency.py

@@ -0,0 +1,15 @@
+import pytest
+
+from frequency import major_n_minor
+
+
+@pytest.mark.parametrize("data, expected", [
+    ([1, 2, 3, 2, 2, 2, 3], (2, 1)),
+    ([0, 0, 0, 1, 2, 2], (0, 1)),
+    ([9, 8, 7, 8, 8, 9], (8, 7)),
+    ([2, 0, 2, 0, 2, 1], (2, 1)),
+    ([1, 3, 5, 7, 8, 8, 9, 9, 3, 5, 8, 7], (8, 1)),
+    ([9, 0, 5, 7, 8, 8, 9, 0, 5, 9, 9, 5], (9, 7)),
+])
+def test_frequency(data, expected):
+    assert major_n_minor(data) == expected