pandas.PeriodIndex.weekofyear # 属性 周期索引。weekofyear [来源] # 一年中的第几周。 例子 >>> idx = pd.PeriodIndex(["2023-01", "2023-02", "2023-03"], freq="M") >>> idx.week # It can be written `weekofyear` Index([5, 9, 13], dtype='int64')