src/00022.py

def adjac(ele, sub=[]):
    if not ele:
        yield sub
    else:
        yield from [idx for j in range(ele[0] - 1, ele[0] + 2) for idx in adjac(ele[1:], sub + [j])]

def get_coordinates(test_tup):
    res = list(adjac(test_tup))
    return res