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[英]How to check if values in column are NOT null and then output a specific value to another column
[英]How to check if value is in another column
嘗試 df.loc 與 isin + ~ 否定它
df.loc[~df['G'].isin(df['C'].unique())]
在這種情況下,您可以使用掩碼:
df_filtered = df[~df['G'].isin(df['C'])]
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