Description: Given a variable n, If n is an integer, Return a string with dash'-'marks before and after each odd integer, but do not begin or end the string with a dash mark. If n is negative, then the negative sign should be removed. If n is not an integer, return an empty value. Ex: dashatize(274) -> '2-7-4' dashatize(6815) -> '68-1-5' Solution: 1. If 'n' is not a number, 'None' is returned. 2..