10 examples of 'python set intersection' in Python

191
def intersection(self, other):
192
	other = set(other)
193
	return self._from_iterable(item for item in self if item in other)

506
def intersection_update(self, other):
507
	"""Update self to include only the intersection with other."""
508
	other = set(other)
509
	indices_to_delete = set()
510
	for i, elem in enumerate(self):
511
		if elem not in other:
512
			indices_to_delete.add(i)
513
	if indices_to_delete:
514
		self._delete_values_by_index(indices_to_delete)

191
def intersection(self, *others):  # &
192
    '''Like C{frozen/set.intersection}.
193
194
       @return: New instance (L{FrozenSet} or L{Set}).
195
    '''
196
    return self.__class__(self._set.intersection(*others))

284
def intersection_update(self, *others):  # &=
285
    '''Like C{set.intersection_update}.
286
    '''
287
    self._set.intersection_update(*others)

74
def intersect(self, other):
75
    if self.set_container.intersection(other.set_container):
76
        return True
77
    else:
78
        return False

174
def intersection_update(self, *others):
175
    for other in others:
176
        self &= other

22
def issubset(self, items):
23
    JS("""
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    for (var i in self.d) {
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        if (!items.__contains__(i)) return false;
26
        }
27
    return true;
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    """)

46
def intersection(self, other):
47
    return IdentitySet(self._elems.intersection(other))

226
def intersection_update(self, iterable):
227
    for item in set(self):
228
        if item not in iterable:
229
            self.remove(item)

395
def intersection_update(self, other):
396
    """Update a set with the intersection of itself and another."""
397
    self &= other