236             def __contains__(self, key):  member in TestChainMap.test_new_child.lowerdict
1084             def __contains__(self, item):  member in TestOneTrickPonyABCs.test_Collection.Col
1100             def __contains__(self, item): return False  member in TestOneTrickPonyABCs.test_Collection.ColNoIter
1103             def __contains__(self, item): return False  member in TestOneTrickPonyABCs.test_Collection.ColNoSize
1116             def __contains__(self): return False  member in TestOneTrickPonyABCs.test_Collection.SizeBlock
1120             def __contains__(self): return True  member in TestOneTrickPonyABCs.test_Collection.IterBlock
1132             def __contains__(self, item):  member in TestOneTrickPonyABCs.test_Collection.ColImpl
1135             __contains__ = None  variable in TestOneTrickPonyABCs.test_Collection.NonCol
1399     def __contains__(self, item):  member in WithSet
1420             def __contains__(self, x):  member in TestCollectionABCs.test_Set.MySet
1432             def __contains__(self, x):  member in TestCollectionABCs.test_hash_Set.OneTwoThreeSet
1447             def __contains__(self, x):  member in TestCollectionABCs.test_isdisjoint_Set.MySet
1463             def __contains__(self, x):  member in TestCollectionABCs.test_equality_Set.MySet
1485             def __contains__(self, x):  member in TestCollectionABCs.test_arithmetic_Set.MySet
1518             def __contains__(self,v):  member in TestCollectionABCs.test_issue_4920.MySet
1560             def __contains__(self, x):  member in TestCollectionABCs.test_issue16373.MyComparableSet
1567             def __contains__(self, x):  member in TestCollectionABCs.test_issue16373.MyNonComparableSet
1628             def __contains__(self, value):  member in TestCollectionABCs.test_Set_from_iterable.SetUsingInstanceFromIterable
1680             def __contains__(self, elem):  member in TestCollectionABCs.test_Set_interoperability_with_real_sets.ListSet