code: def get_managed_policy(managed_policy, flags=FLAGS.ALL, **conn):
      
      _conn_from_args(managed_policy, conn)
      return registry.build_out(flags, start_with=managed_policy, pass_datastructure=True, **conn)
docs: Orchestrates all of the calls required to fully build out an IAM Managed Policy in the following format:
  
      {
          "Arn": "...",
          "PolicyName": "...",
          "PolicyId": "...",
          "Path": "...",
          "DefaultVersionId": "...",
          "AttachmentCount": 123,
          "PermissionsBoundaryUsageCount": 123,
          "IsAttachable": ...,
          "Description": "...",
          "CreateDate": "...",
          "UpdateDate": "...",
          "Document": "...",
          "_version": 1
      }
  
      :param managed_policy: dict MUST contain the ARN.
      :param flags:
      :param conn:
      :return: