<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def attrib(self):
 """ A dict of XML element attributes for this NodalPlane. """

        return dict([
            ('probability', str(self.probability)),
            ('strike', str(self.strike)),
            ('dip', str(self.dip)),
            ('rake', str(self.rake)),
        ])