code: async def invoke(self, *args, **kwargs):
          r
  
          try:
              command = args[0]
          except IndexError:
              raise TypeError('Missing command to invoke.') from None
  
          arguments = []
          if command.cog is not None:
              arguments.append(command.cog)
  
          arguments.append(self)
          arguments.extend(args[1:])
  
          ret = await command.callback(*arguments, **kwargs)
          return ret
docs: r"""|coro|
  
          Calls a command with the arguments given.
  
          This is useful if you want to just call the callback that a
          :class:`.Command` holds internally.
  
          Note
          ------
          You do not pass in the context as it is done for you.
  
          Warning
          ---------
          The first parameter passed **must** be the command being invoked.
  
          Parameters
          -----------
          command: :class:`.Command`
              A command or subclass of a command that is going to be called.
          \*args
              The arguments to to use.
          \*\*kwargs
              The keyword arguments to use.