code: def mkdir(self, path):
          
  
          resp = self._sendRequest("MKCOL", path)
          if resp.status_code != 201:
              if resp.status_code == 409:
                  raise YaDiskException(409, "Part of path {} does not exists".format(path))
              elif resp.status_code == 405:
                  raise YaDiskException(405, "Path {} already exists".format(path))
              else:
                  raise YaDiskException(resp.status_code, resp.content)
docs: Create directory. All part of path must be exists. Raise exception when path already exists.