fromtypingimportList,Dictdefobfuscate(data:List[Dict[str,str]],pii_fields:List[str])->List[Dict[str,str]]:""" A function to obfuscate PII fields in a list of dictionaries, replacing sensitive values with a string of asterisks. """return[{k:("***"ifkinpii_fieldselsev)fork,vinrecord.items()}forrecordindata]