def test_float(): assert str(type(sum_array([1.1,2])))[1:-1] == "type 'float'"
def test_output(): assert sum_array([]) == 0 assert sum_array([1]) == 1 assert sum_array([1,2]) == 3 assert sum_array([1,10,100]) == 111 assert sum_array([1.1,2.2,3.3]) == 6.6
def test_int(): assert str(type(sum_array([1,2])))[1:-1] == "type 'int'"