7 examples of 'python set difference' in Python

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69def set_difference_update(arr, *others):
70 pass
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169def difference(self, *args):
170 """\
171 Return the difference of the set with other iterables.
172 """
173 result = self.copy()
174 result.difference_update(*args)
175 return result
186def symmetric_difference(self, *args):
187 """\
188 Return the symmetric difference of the set with other iterables.
189 """
190 result = self.copy()
191 result.symmetric_difference_update(*args)
192 return result
212def difference_update(self, iterable):
213 for item in iterable:
214 if item in self:
215 self.remove(item)
226def test_difference_update_with_range(self):
227 ramanujans_friends = RedisSet()
228 ramanujans_friends.difference_update(range(5))
229 assert ramanujans_friends == set()
230
231 ramanujans_friends = RedisSet(range(10))
232 ramanujans_friends.difference_update(range(5))
233 assert ramanujans_friends == {5, 6, 7, 8, 9}
140def symmetric_difference_update(self, other): # pragma: no cover
141 raise NotImplementedError
235def test_difference_update_with_range_and_set(self):
236 ramanujans_friends = RedisSet()
237 ramanujans_friends.difference_update(range(4), {6, 7, 8, 9})
238 assert ramanujans_friends == set()
239
240 ramanujans_friends = RedisSet(range(10))
241 ramanujans_friends.difference_update(range(4), {6, 7, 8, 9})
242 assert ramanujans_friends == {4, 5}

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