code: def __get_switch_arr(work_sheet, row_num):
      '''
      if valud of the column of the row is `1`,  it will be added to the array.
      '''
  
      u_dic = []
      for col_idx in FILTER_COLUMNS:
          cell_val = work_sheet['{0}{1}'.format(col_idx, row_num)].value
          if cell_val in [1, '1']:
              # Appending the slug name of the switcher.
              u_dic.append(work_sheet['{0}1'.format(col_idx)].value.strip().split(',')[0])
      return u_dif __get_switch_arr(work_sheet, row_num):
      '''
      if valud of the column of the row is `1`,  it will be added to the array.
      '''
  
      u_dic = []
      for col_idx in FILTER_COLUMNS:
          cell_val = work_sheet['{0}{1}'.format(col_idx, row_num)].value
          if cell_val in [1, '1']:
              # Appending the slug name of the switcher.
              u_dic.append(work_sheet['{0}1'.format(col_idx)].value.strip().split(',')[0])
      return u_dic
docs: if valud of the column of the row is `1`,  it will be added to the array.