def test_only_non_unique_elements():
assert non_unique_elements([5, 5, 5, 5,
5]) == [5, 5, 5, 5,
5], "Only non-unique elements"
def test_only_unique_elements():
assert non_unique_elements([1, 2, 3, 4, 5]) == [], "Only unique elements"
def test_list_with_empty_strings():
assert non_unique_elements(["", "", "",
"a"]) == ["", "",
""], "List with empty strings"
def test_string():
assert non_unique_elements("aaaagggrty") == [
"a", "a", "a", "a", "g", "g", "g"
], "A string"
def test_empty_string():
assert non_unique_elements("") == [], "Empty string"
def test_dictionary():
assert non_unique_elements({
"first": 1,
"second": 1,
"third": 3
}) == [1, 1], "Dictionary"
def test_empty_list():
assert non_unique_elements([]) == [], "Empty list"
def test_floats():
assert non_unique_elements([1.1 + 2.2, 3.3]) == [], "Floats"
def test_words():
assert non_unique_elements(["hello", "hello",
"world"]) == ["hello", "hello"], "Words"
def test_one_unique_element():
assert non_unique_elements([10, 9, 10, 10, 9,
8]) == [10, 9, 10, 10, 9], "One unique element"