def get_numerological_root(num: int) int: Return the root number of num, found by repeatedly adding the digits in the number together until you are left with a single digit or the Special Numbers 11 or 22 . get_numerological_root(1989) 9 get_numerological_root(11) 11 get_numerological_root(1993) 22 nna get_numerological_root(2002) \# TOD0: fill in the expected value for the last docstring example above \# TOD0: design and write the function body \# Note: Bob managed to get this function working. \# He's asked you not to change it