text: #!/usr/bin/env python
  # -*- coding=utf8 -*-
  """
  # File Name    : HelloWorld.py
  # Author       : SangYu
  # Email        : sangyu.code@gmail.com
  # Created Time : 2021年12月17日 星期五 01时46分23秒
  # Description  : 
  """
  DEFAULT_NAME = "SangYu"
  
  def SayHello(name = DEFAULT_NAME):
      print("Hello World",name,"!")
  
  if __name__ == "__main__":
      SayHello()
      pass
  
  