#// BEGIN_TODO [team] University Teams (1 point)
from copy import deepcopy

class Team:

    def __init__(self, name_id = '', team =[], budget = 0) -> None:
        self.name_id = name_id
        self.team = team
        self.budget = budget

    def add_member(self, member) -> None:
        if member not in self.team:
            self.team = self.team.append(member)
            if isinstance(member, Student):
                budget -= 2880
            if isinstance(member, Teacher):
                budget -= 7200
            if isinstance(member, Researcher):
                budget -= 7200

    def remove_member(self, member) -> None:
        if member in self.team:
            self.team.delete(member)
            if isinstance(member, Student):
                budget += 2880
            if isinstance(member, Teacher):
                budget += 7200
            if isinstance(member, Researcher):
                budget += 7200

    def spend_budget(self, amount: int) -> bool:
        if self.budget >= amount:
            self.budget -= amount
            return True
        else:
            return False

    def __str__(self) -> str:
        sorted_list = deepcopy(self.team)
        sorted_list.sort()

        for name in sorted_list:
            return "{}, ".format(sorted_list[name])

class ResearchTeam(Team):

    def __repr__(self) -> None:
        return self.name

    def create_product(self) -> bool:
        if self.budget - (20000 * len(self.team)) >= 0:
            self.budget -= (20000 * len(self.team))
            return True
        else:
            return False

class CourseTeam(Team):

    def __repr__(self) -> None:
        return self.name

    def __init__(self, name_id = '', team = [], budget = 0, lead_teacher = '') -> None:
        Team.__init__(name_id, team, budget)
        if isinstance(lead_teacher, Teacher):
            pass
        else:
            raise TypeError("Lead teacher should be an instance of the Teacher class")


#// END_TODO [team]