code: def enable_command(self, command: str) -> None:
          
          # If the commands is already enabled, then return
          if command not in self.disabled_commands:
              return
  
          help_func_name = HELP_FUNC_PREFIX + command
  
          # Restore the command and help functions to their original values
          dc = self.disabled_commands[command]
          setattr(self, self.cmd_func_name(command), dc.command_function)
  
          if dc.help_function is None:
              delattr(self, help_func_name)
          else:
              setattr(self, help_func_name, dc.help_function)
  
          # Remove the disabled command entry
          del self.disabled_commands[command]
docs: Enable a command by restoring its functions
          :param command: the command being enabled