func10(lisi, lis2): Assume lisi and us2 are lists of integers and/or lowercase letters. Return a list of the combination of integers in the two lists in ascending order. Note 1: No duplicates in the output Note 2: Return None if the output is empty Note 3: you may use isinstance(a, int) or isinstance(d, str) to check the type of d Note 6: you may use sort() or sorted() For example, func10(12, 2, 3), (2, 's']) should return (2, 3) func10[['a', 'd'1, ('s', 'a'l) should return None