code: def list_keys(self, label=None):
          
          _filter = utils.NestedDict({})
          if label:
              _filter['sshKeys']['label'] = utils.query_filter(label)
  
          return self.client['Account'].getSshKeys(filter=_filter.to_dict())
docs: Lists all SSH keys on the account.
  
          :param string label: Filter list based on SSH key label
          :returns: A list of dictionaries with information about each key