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- def base64_method(data_path, columns):
- data = pd.read_csv(data_path)
- data.dropna()
- data.reset_index(drop=True, inplace=True)
- existing_columns = list(data)
- for column in columns:
- if column in existing_columns:
- data[column] = data[column].apply(str)
- data[column] = data[column].apply(lambda x: base64.b64encode(bytes(x, 'utf-8')))
- return data
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