<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:

def getModPath(self, *paths):
        '''
        Construct a path relative to this module's working directory.

        Args:
            *paths: A list of path strings

        Notes:
            This creates the module specific directory if it does not exist.

        Returns:
            (str): The full path (or None if no cortex dir is configured).
        '''
        dirn = self.getModDir()
        return s_common.genpath(dirn, *paths)