code: def _list_of_dicts_to_column_headers(list_of_dicts):
          
  
          if len(list_of_dicts) < 2 or not all(isinstance(item, dict) for item in list_of_dicts):
              return None
  
          column_headers = list_of_dicts[0].keys()
          for d in list_of_dicts[1:]:
              if len(d.keys()) != len(column_headers) or not all(header in d for header in column_headers):
                  return None
          return column_headers
docs: Detects if all entries in an list of ``dict``'s have identical keys.
          Returns the keys if all keys are the same and ``None`` otherwise.
  
          Parameters
          ----------
          list_of_dicts : list
              List of dictionaries to test for identical keys.
  
          Returns
          -------
          list or None
              List of column headers if all dictionary posessed the same keys. Returns ``None`` otherwise.