def test_add_minus_one_and_minus_one(): result = add(-1, -1) assert result == -2
def test_add_one_and_zero(): result = add(1, 0) assert result == 1
def test_add_minus_one_and_zero(): result = add(-1, 0) assert result == -1
def test_add_zeros(): result = add(0, 0) assert result == 0
def test_add_zero_and_minus_one(): result = add(0, -1) assert result == -1
def test_add_one_and_one(): result = add(1, 1) assert result == 2
def test_add_zero_and_one(): result = add(0, 1) assert result == 1
from add_function import add, sub add(1, 2, 3) sub(11, 22, 33)
def add_mission(): add()