資料結構 -- Set
頭前 轉厝 後壁
setName = set()
setName = {}
setName = {}
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確認包含(in and not in)
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元素增刪(add(x)、remove(x)、discard(x)、pop()與clear())
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Set的計算
- 交集(& 或 intersection(set))
- 聯集(| 或 union(set))
- 差集(-或difference(set))
- XOR(^或symmetric_difference(set))
- 判斷是否為子集合(<或<=或issubset(set))
- 判斷是否為母集合(>或>=或issuperset(set))
- 更新(|=、&=、-=與^=)