parameters: (self, file=None)
docstring: print_help(file : file = stdout)
  
          Print an extended help message, listing all options and any
          help text provided with them, to 'file' (default stdout).
docstring_summary: print_help(file : file = stdout)
docstring_tokens: print_help ( file : file = stdout )
function: def print_help(self, file=None):
          """print_help(file : file = stdout)
  
          Print an extended help message, listing all options and any
          help text provided with them, to 'file' (default stdout).
          """
          if file is None:
              file = sys.stdout
          file.write(self.format_help())
function_tokens: def print_help ( self , file = None ) : if file is None : file = sys . stdout file . write ( self . format_help ( ) )