<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def sbo_network(self):
 """View slackbuilds packages """

        flag = []
        options = [
            "-n",
            "--network"
        ]
        additional_options = [
            "--checklist",
            "--case-ins"
        ]
        for add in additional_options:
            if add in self.args:
                flag.append(add)
                self.args.remove(add)
        if (len(self.args) == 2 and self.args[0] in options and
                "sbo" in self.meta.repositories):
            SBoNetwork(self.args[1], flag).view()
        else:
            usage("sbo")