python set全解

a = ()
b = ()
(() ())
(() ())
(() ())
(() < ())
(() == ())
(a.intersection(b))
(a.union(b))
(a.difference(b))
(b.difference(a))
(a.symmetric_difference(b))

(a | b)
print( a ^ b)
( a & b)

转载于:https://blog.51cto.com/wuchaung/1957850