code: def __mkdir(self, folder):
      disk_client = yandex_disk(self.__token)
      if disk_client.file_exist(folder):
          print("INFO: Folder '%s' already exists." % folder)
          return
  
      if disk_client.create_folder(folder) is True:
          print("INFO: Folder '%s' is successfully created." % folder)
  
file_path: pyclustering/ci/cloud/cloud/task_handler.py
imports: import os
  import zipfile
  from cloud.yandex_disk import yandex_disk
label_desc: Use image node_id 5 for calling the task_handler obj's underlying member method code with example usage: obj.__mkdir(folder) without return types