028-002. set operator, union(OR, |), intersection(AND, &), difference(-), symmetric difference(XOR, ^)
@ # set operators use arithmetic operator and logical operator of Python @ a = {1, 2, 3, 4} b = {3, 4, 5, 6} # I make union set print(a | b) # {1, 2, 3, 4, 5, 6} @ a = {1, 2, 3, 4} b = {3, 4, 5, 6} # I make intersection set print(a & b) # {3, 4} @ a = {1, 2, 3, 4} b = {3, 4, 5, 6} # I make difference set print(a - b) # {1, 2} @ a = {1, 2, 3, 4} b = {3, 4, 5, 6} # I make symmetric difference by using XOR(^) print(a ^ b) # {1, 2, 5, 6} @ a = {1, 2, 3, 4} # a = a | {5} a |= {5} print(a) # {1, 2, 3, 4, 5}