a = {1, 2, 3, 4}
b = {3, 4, 5, 6}
c = {1, 3, 10}
print(“a与b的差集：”, a - b) # 返回{1, 2}
print(“a与c的差集：”, a - c) # 返回{2, 4}
print(“a与b、c的差集：”, a - b - c) # 返回{2}
print(“b与c的差集：”, b.difference©) # 返回{4, 5, 6}
print(“c与b的差集：”, c.difference(b)) # 返回{1, 10}
