<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def show_tricky_tasks(self, verbose=0):
 """ Print list of tricky tasks i.e. tasks that have been restarted or launched more than once or tasks with corrections. Args: verbose: Verbosity level. If > 0, task history and corrections (if any) are printed. """

        nids, tasks = [], []
        for task in self.iflat_tasks():
            if task.num_launches > 1 or any(n > 0 for n in (task.num_restarts, task.num_corrections)):
                nids.append(task.node_id)
                tasks.append(task)

        if not nids:
            cprint("Everything's fine, no tricky tasks found", color="green")
        else:
            self.show_status(nids=nids)
            if not verbose:
                print("Use --verbose to print task history.")
                return

            for nid, task in zip(nids, tasks):
                cprint(repr(task), **task.status.color_opts)
                self.show_history(nids=[nid], full_history=False, metadata=False)
                #if task.num_restarts:
                #    self.show_restarts(nids=[nid])
                if task.num_corrections:
                    self.show_corrections(nids=[nid])