3.7 イテラブルのその他の機能
3.7.1 集合の機能
a = {"dog", "cat", "mouse"}
b = {"lion", "cat"}
print(a | b)
->{'cat', 'mouse', 'lion', 'dog'}
print(a & b)
->{'cat'}
print(a - b)
->{'dog', 'mouse'}
print(a ^ b)
->{'mouse', 'dog', 'lion'}
a = {"dog", "cat", "mouse"}
b = {"dog", "cat"}
c = {"dog", "cat"}
print(a == b)
->False
print(a != b)
->True
print(a > b)
->True
print(a >= b)
->True
print(b == c)
->True
print(b != c)
->False
print(b > c)
->False
print(b >= c)
->True