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2026-05-14 17:49:08 +08:00
parent 4085f0f6ca
commit 047af26d70
8 changed files with 1 additions and 1 deletions
@@ -0,0 +1,5 @@
+A = {1, 2}
+B = {1, 2, 3, 4}
+print(A.issubset(B))   # A是B的子集
+print(B.issuperset(A)) # B是A的超级
+print(A.isdisjoint(B)) # A 和 B 有交集；若无交集则返回 True