def add_participant_list(self, participant_list: List[str]) -> bool:
participant_set = set(participant_list)
if len(participant_set) != len(participant_list):
return False
to_add = []
for participant in participant_list:
if self.check_participant_exists_by_name(participant):
return False
to_add.append(UserData(participant))
self.__participants.extend(to_add)
return True
def remove_participant(self, participant: str) -> bool:
if self.check_participant_exists_by_name(participant):
self.__participants.remove(UserData(participant))
return True
return False
def add_participant(self, participant: str) -> bool:
if not self.check_participant_exists_by_name(participant):
self.__participants.append(UserData(participant))
return True
return False
def sample_user_a(self):
return UserData('a')
def sample_user_d(self):
return UserData('d')
def sample_user_c(self):
return UserData('c')
def sample_user_b(self):
return UserData('b')