for y in range(1970, 1980): count = 0 for i in range(y, 2023): age = i - y sum_year = sum([int(i) for i in str(i)]) if sum_year == age: count += 1 if count == 10: print(f'born in :{y} cur_year:{i} age:{age}') for c in range(y, 2023): c_age = c - y if c_age % 9 == 0: print(f'this year:{c}, age{c_age}') break