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import unittest
def sort_scores(xs, highest_possible_score):
result = []
buckets = [0] * highest_possible_score
for x in xs:
buckets[x - 1] += 1
for i in range(highest_possible_score - 1, -1, -1):
if buckets[i] > 0:
for _ in range(buckets[i]):
result.append(i + 1)
return result
# Tests
class Test(unittest.TestCase):
def test_no_scores(self):
actual = sort_scores([], 100)
expected = []
self.assertEqual(actual, expected)
def test_one_score(self):
actual = sort_scores([55], 100)
expected = [55]
self.assertEqual(actual, expected)
def test_two_scores(self):
actual = sort_scores([30, 60], 100)
expected = [60, 30]
self.assertEqual(actual, expected)
def test_many_scores(self):
actual = sort_scores([37, 89, 41, 65, 91, 53], 100)
expected = [91, 89, 65, 53, 41, 37]
self.assertEqual(actual, expected)
def test_repeated_scores(self):
actual = sort_scores([20, 10, 30, 30, 10, 20], 100)
expected = [30, 30, 20, 20, 10, 10]
self.assertEqual(actual, expected)
unittest.main(verbosity=2)
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