<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def vicinity(self):
 """Returns a feature name of a nearby location. Often this feature refers to a street or neighborhood within the given results. """

        if self._vicinity == '' and self.details != None and 'vicinity' in self.details:
            self._vicinity = self.details['vicinity']
        return self._vicinity