def test_add_chars_and_vars_and_values():
my_answer = subtracting(mike, 30)
print(type(my_answer))
assert my_answer == -23
def test_add_chars_and_vars():
my_answer = subtracting(ven, kat)
print(type(my_answer))
assert my_answer == -50
def test_add_values_and_vars():
assert subtracting(john, 5) == 0
def test_add_variable():
assert subtracting(john, mike) == -2
def test_add_characters():
return_val = subtracting(1, 2)
print(type(return_val))
assert return_val == -1
def test_add_high_school():
assert subtracting(8000600, 6405006) == 1595594
def test_add_elementary():
assert subtracting(1, 2) == -1