sage: X = set([1,19,'a']); Y = set([1,1,1, 2/3]) sage: X set(['a', 1, 19]) sage: Y set([1, 2/3]) sage: 'a' in X True sage: 'a' in Y False sage: X.intersection(Y) set([1])
Sage also has its own set type that is (in some cases)
implemented using the built-in
Python set type, but has a little bit of extra Sage-related
functionality. Create a Sage set using Set(...)
. For example,
sage: X = Set([1,19,'a']); Y = Set([1,1,1, 2/3]) sage: X {'a', 1, 19} sage: Y {1, 2/3} sage: X.intersection(Y) {1} sage: print latex(Y) \left\{1, \frac{2}{3}\right\} sage: Set(ZZ) Set of elements of Integer Ring
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