def test__all_even(self):
a = [2, 4, 6]
b = even_odd(a)
assert a == b
def test__all_odd(self):
a = [3, 5, 7]
b = even_odd(a)
assert a == b
def test__even_and_odd_duplicates(self):
a = [7, 9, 1, 2, 2, 2, 3, 4, 5, 6, 7, 8]
b = even_odd(a)
assert b == [8, 6, 4, 2, 2, 2, 3, 5, 1, 7, 9, 7]
def test__one_even_entry(self):
a = [10]
b = even_odd(a)
assert a == b
def test__one_odd_entry(self):
a = [9]
b = even_odd(a)
assert a == b
def test__even_and_odd(self):
a = [1, 2, 3, 4, 5, 6]
b = even_odd(a)
assert b == [6, 2, 4, 5, 3, 1]