6 examples of 'python set union' in Python

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228def test_union(self):
229 self.assertCodeExecution("""
230 x = frozenset({1, 2, 3})
231 y = frozenset({3, 4, 5})
232 z = [5, 6, 7]
233 w = 1
234 t = frozenset()
235
236 print(x.union(y))
237
238 # empty set test
239 print(x.union(t))
240
241 # multiple args test
242 print(x.union(y, z))
243
244 # iterable test
245 print(x.union(z))
246
247 # not-iterable test
248 try:
249 print(x.union(w))
250 except TypeError as err:
251 print(err)
252 """)
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94def union():
95 for x in self:
96 yield x
97 for other in others:
98 for x in other:
99 yield x
41def set_union(arr, *others):
42 pass
72def union(a, b):
73 if isinstance(a, collections.Hashable) and isinstance(b, collections.Hashable):
74 c = set(a) | set(b)
75 else:
76 c = unique(a + b)
77 return c
6def testUnionFind(self):
7 ds = DisjointSet(range(100))
8 for i in range(100):
9 ds.union(i, i % 5)
10 for i in range(100):
11 for j in range(i, 100):
12 self.assertEqual(ds.find_set(i) == ds.find_set(j), i%5 ==j%5)
93def union(*seqs):
94 result = set([])
95 for seq in seqs:
96 if not isinstance(seq, set):
97 seq = set(seq)
98 result |= seq
99 return type(seqs[0])(list(result))

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