Три способа выполнить множество задач с asyncio
Функция для примера:
async def do_it(n):
await asyncio.sleep(random.uniform(0.5, 1))
return n
1. Последовательный вызов
async def main():
for i in range(100):
result = await do_it(i)
Такой вызов имеет смысл только тогда, когда результат одной задачи требуется для вызова следующей.
Если они независимы, то это антипаттерн, так как аналогичен простому синхронному вызову по очереди.
2. Упорядоченный результат
async def main():
tasks = [do_it(i) for i in range(100)]
results = await asyncio.gather(*tasks)
Выполняет корутины конкурентно и возвращает результат в виде списка.
Полезен когда требуется получить результаты в том же порядке в котором задачи отправлены.
3. Результат по мере готовности
tasks = [asyncio.create_task(do_it(i)) for i in range(100)]
for cor in asyncio.as_completed(tasks):
result = await cor
Так же выполняет корутины конкурентно, но не гарантирует порядок. Результат возвращается по мере готовности, каждый отдельно.
Полезен когда нужно обработать любой ответ как можно скорее.
#async
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Seek medical attention immediately if you experience symptoms.
Symptoms include
➡️Fever/severe headache
➡️Vomiting
➡️Drowsiness
➡️Rash
➡️Seizures
➡️Muscle/joint pain
➡️Stiff neck
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Visit a healthcare centre for immediate medical attention if you notice any of these symptoms in your young ones.
Let’s #DefeatMeningitis together.
#Meningitis spreads mostly from one person to another through respiratory droplets e.g. coughing, sneezing & close contact such as kissing
Seek immediate medical attention if you experience these symptoms
Let’s #DefeatMeningitis together.
#Meningitis spreads mostly from one person to another through respiratory droplets e.g. coughing, sneezing & close contact such as kissing
Meningitis can affect anyone at any age. Seek medical attention if you experience symptoms.
Let's take action to #DefeatMeningitis together.
#Meningitis spreads mostly from one person to another through respiratory droplets e.g. coughing, sneezing & close contact such as kissing
Meningitis can affect anyone at any age. Seek medical attention if you experience symptoms
Let's take action to #DefeatMeningitis together
#Meningitis is an inflammation of the membranes around the spinal cord & brain.
Seek medical attention when you experience signs & symptoms such as:
➡️Fever/severe headache
➡️Vomiting
➡️Drowsiness
➡️Rash
➡️Seizures
➡️Muscle/joint pain
➡️Stiff neck
#DefeatMeningitis
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Early recognition saves lives. Seek immediate medical attention if you experience associated symptoms.
#DefeatMeningitis
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The best way to protect yourself and your loved ones is:
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✅Follow prevention measures.
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Across the world, meningitis kills 1 in 10 people & causes lifelong disability in 1 in 5 people who survive it.
This #WorldMeningitisDay aims to remind us to raise awareness of #meningitis, its signs & symptoms, available vaccines and the race we must make to #DefeatMeningitis
Vaccination is the best prevention measure against #CerebrospinalMeningitis.
Ensure you complete Nigeria's routine immunisation schedule for your children or wards to keep them safe and #healthy.
#DefeatMeningitis
Vaccination is the best prevention measure against #CerebrospinalMeningitis.
Ensure you complete Nigeria's routine immunisation schedule for your children or wards to keep them #safe from vaccine-preventable diseases.
#DefeatMeningitis
#WorldMeningitisDay