text: def null(dataFrame):
      from pandas import isna
      return dataFrame.isna().sum()
  
  def split_date(dataFrame, column):
      import pandas
      from pandas import to_datetime
      df = dataFrame
      df[f'{column}'] = pandas.to_datetime(
                                           dataFrame[f'{column}'],
                                           infer_datetime_format=True
                                           )
      df[f'{column}_year'] = df[f'{column}'].dt.year
      df[f'{column}_month'] = df[f'{column}'].dt.month
      df[f'{column}_day'] = df[f'{column}'].dt.day
      df = df.drop(columns=f'{column}')
      return df