詞雲：FutureWarning: using a dict on a Series for aggregation is deprecated and will be removed問題

詞雲：FutureWarning: using a dict on a Series for aggregation is deprecated and will be removed問題   情境再現：     代碼： words_stat=words_df.groupby(by=['segment'])['segment'].agg({"計數":numpy.size})   分析問題： 寫法不

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