Exemple #1
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def test_count_evens_simple():
    assert count_evens([2, 1, 2, 3, 4]) == 3
Exemple #2
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def test_count_evens_zero():
    assert count_evens([2, 2, 0]) == 3
Exemple #3
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def test_count_evens_none():
    assert count_evens([1, 3, 5]) == 0