Разработать два класса Trial и GhostRescue

tr = Trial("come see win")
print(tr)
print(tr.get_trials())
gr = GhostRescue("visions horror whispers", "Centerville")
print(len(gr))
print(gr.pop("horror"))
print(gr.get_trials())
print(gr)
gr = GhostRescue("pursue harass", "Outiss")
gr.add("harm")
for item in gr:
   print(item)
print(gr)
print(gr.get_trials())
print(issubclass(GhostRescue, Trial))

class Trial:
    def __init__(self, trials_str):
        self.trials = sorted(trials_str.split())
 
    def get_trials(self):
        return " ".join(self.trials)
 
    def __repr__(self):
        first_trial = self.trials[0] if self.trials else ""
        return f"Trial('{first_trial}')"
 
 
class GhostRescue(Trial):
    def __init__(self, trials_str, ghost_name):
        super().__init__(trials_str)
        self.ghost_name = ghost_name
 
    def add(self, value):
        self.trials.append(value)
        self.trials.sort()
 
    def pop(self, key):
        if key in self.trials:
            self.trials.remove(key)
            return key
        return None
 
    def __contains__(self, key):
        return key in self.trials
 
    def __iter__(self):
        return iter(self.trials)
 
    def __len__(self):
        return len(self.trials)
 
    def __repr__(self):
        first_trial = self.trials[0] if self.trials else ""
        return f"GhostRescue('{first_trial}', '{self.ghost_name}')"