code: def set_client_num(self, client_num):
      callBigDlFunc(
          self.bigdl_type,
          "flServerSetClientNum",
          self.value,
          client_num,
      )
  
file_path: BigDL/python/ppml/src/bigdl/ppml/fl/fl_server.py
imports: from bigdl.ppml.fl import *
label_desc: Use image node_id 5 for calling the FLServer obj's underlying member method code with example usage: obj.set_client_num(client_num) without return types