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🧠 Python-хитрая задача + решение

🖍️ Условие:
У тебя есть список логов (user, login/logout).
Найди тех, кто зашел, но не вышел.

📜 Пример:

logs = [
("alice", "login"),
("bob", "login"),
("alice", "logout"),
("dave", "login"),
("bob", "logout"),
("carol", "login"),
("dave", "logout")
]


________
💻 Решение:

from collections import defaultdict

def find_stuck_users(logs):
counter = defaultdict(int)
for user, action in logs:
if action == "login":
counter[user] += 1
elif action == "logout":
counter[user] -= 1
return sorted([user for user, count in counter.items() if count > 0])


🛠Ответ: "carol"

#Python #Challenge #DevPuzzle

@python_job_interview



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🧠 Python-хитрая задача + решение

🖍️ Условие:
У тебя есть список логов (user, login/logout).
Найди тех, кто зашел, но не вышел.

📜 Пример:


logs = [
("alice", "login"),
("bob", "login"),
("alice", "logout"),
("dave", "login"),
("bob", "logout"),
("carol", "login"),
("dave", "logout")
]


________
💻 Решение:

from collections import defaultdict

def find_stuck_users(logs):
counter = defaultdict(int)
for user, action in logs:
if action == "login":
counter[user] += 1
elif action == "logout":
counter[user] -= 1
return sorted([user for user, count in counter.items() if count > 0])


🛠Ответ: "carol"

#Python #Challenge #DevPuzzle

@python_job_interview

BY Python вопросы с собеседований


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Python вопросы с собеседований Telegram | DID YOU KNOW?

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The messaging service and social-media platform owes creditors roughly $700 million by the end of April, according to people briefed on the company’s plans and loan documents viewed by The Wall Street Journal. At the same time, Telegram Group Inc. must cover rising equipment and bandwidth expenses because of its rapid growth, despite going years without attempting to generate revenue.

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