def test_zero_grades():
grades = []
assert compute_hw_average(grades) == 0
def test_two_grades():
# Two grades that average to an integer.
grades = [41, 43]
assert compute_hw_average(grades) == 42
def test_single_grade():
grades = [42]
assert compute_hw_average(grades) == 42
def test_two_equal_grades():
grades = [10, 10]
assert compute_hw_average(grades) == 10
def test_two_grades():
grades = [43, 43]
assert compute_hw_average(grades, 0) == 43
def test_three_grades():
grades = [10, 30 , 20]
assert compute_hw_average(grades) == 20
def test_two_grades():
grades = [10, 30]
assert compute_hw_average(grades) == 20
def test_double_grades():
grades = [18, 28]
assert compute_hw_average(grades) == 23
def test_two_grades():
grades = [41, 43]
assert compute_hw_average(grades) == 42
def test_two_equal_grades():
grades = [30, 30]
assert compute_hw_average(grades) == 30
def test_two_grades():
grades = [50.0, 51.0]
assert compute_hw_average(grades) == 50.5
def test_two_grades():
#added new documentation
grades = [41, 43]
assert compute_hw_average(grades) == 42
