<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def priority(self, item):
 """ The priority of the item depends of the number of entries published in the cache divided by the maximum of entries. """

        return '%.1f' % max(self.cache[item.pk][0] / self.max_entries, 0.1)