text: import logging
  
  import boto3
  
  
  class AWSIdentity(object):
      _aws_logger = logging.getLogger('aws')
  
      def __init__(self, session: boto3.Session, user_name: str):
          self._user_name = user_name
  
          self.iam_client = session.client('iam')
  
      @property
      def user_name(self):
          return self._user_name
  
      def list_user_groups(self):
          groups_list = self.iam_client.list_groups_for_user(UserName=self.user_name).get('Groups')
          return groups_list
  
      def get_group_names(self):
          group_names = []
          group_list = self.list_user_groups()
          for group in group_list:
              group_names.append(group.get('GroupName'))
  
          return group_names
  
      def get_group_policy_statement(self, group_name: str, policy_name: str):
          policy = self.iam_client.get_group_policy(GroupName=group_name, PolicyName=policy_name)
          statement_list = policy.get('PolicyDocument').get('Statement')
  
          return statement_list
  
      def get_mfa_devices(self):
          mfa_devices = self.iam_client.list_mfa_devices(UserName=self.user_name)
          return mfa_devices.get('MFADevices')
  
      def get_mfa_serial_numbers(self):
          serial_numbers = []
          mfa_devices = self.get_mfa_devices()
          for mfa_device in mfa_devices:
              serial_numbers.append(mfa_device.get('SerialNumber'))
  
          return serial_numbers
  