text: #!/usr/bin/env python    #Run in Unix/Linux/Mac
  # -*- coding: utf-8 -*-
  
  ' a test module '  # Module Notes
  
  __author__ = 'Mixter Jim'  # Auther
  
  import sys
  
  
  def hi():
      args = sys.argv
      if len(args) == 1:
          print('Hey guy!')
      elif len(args) == 2:
          print('Hey %s!' % args[1])
      else:
          print('Too many arguments!')
  
  if __name__ == '__main__':  # test
      hi()
  
  # This is a module document.
  # Create it and saved as 'Module.py'.
  # Create '__init__.py' in the same directory.
  # Open the Python Shell and input 'import Module'.
      # Python will create 'Module.pyc'.
  # Now,you can use the Module.
      # Module.hi()
  
  #'python Module.py Jim' in cmd
  