<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def add_command_formatting(self, command):
 """A utility function to format commands and groups. Parameters command: :class:`Command` The command to format. """


        if command.description:
            self.paginator.add_line(command.description, empty=True)

        signature = self.get_command_signature(command)
        if command.aliases:
            self.paginator.add_line(signature)
            self.add_aliases_formatting(command.aliases)
        else:
            self.paginator.add_line(signature, empty=True)

        if command.help:
            try:
                self.paginator.add_line(command.help, empty=True)
            except RuntimeError:
                for line in command.help.splitlines():
                    self.paginator.add_line(line)
                self.paginator.add_line()