human
Solve the following python programming problem given the following code:
def _add_default_options(self) : 
    def print_help() : 
        self.print_help () 
        return sys.exit (0) 
self.option ('-h, --help', 'output the help menu', print_help) 
    if self._version : 
        def print_version() : 
            self.print_version () 
            return sys.exit (0) 
self.option ('-V, --version', 'output the version number', print_help) 
return self 

    
    

    Fix the buggy line: self.option ('-V, --version', 'output the version number', print_help)
assistant
#Here is Python code to fix the buggy line: self.

self.option ('-V, --version', 'output the version number', print_version)