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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def call_command(self, name, *arguments, **options):
 """ Finds the given Django management command and default options, excluding this command, and calls it with the given arguments and override options. """

        command, defaults = get_command_and_defaults(
            name,
            exclude_packages=self.get_exclude_packages(),
            exclude_command_class=self.__class__)
        if command is None:
            raise management.CommandError(
                "Unknown command: {name:s}".format(
                    name=name))
        defaults.update(options)
        return command.execute(*arguments, **defaults)