Python's Equivalent of JavaScript Promises

import asyncio
# Asynchronous function that simulates a task
async def task():
    result = "Task Completed"
    return result
# Main function to call the task and print the result
async def main():
    result = await task()  # Wait for the task to finish
    print(result)
# Run the main function
asyncio.run(main())

# Function that does some task
def task(callback):
    # Simulating some work
    result = "Task Completed"
    callback(result)
# Callback function that handles the result
def handle_result(result):
    print(result)
# Calling the task function with the callback
task(handle_result)

import concurrent.futures
# Function to simulate a task
def task():
    return "Task Completed"
# Using ThreadPoolExecutor to run the task asynchronously
with concurrent.futures.ThreadPoolExecutor() as executor:
    future = executor.submit(task)  # Submit the task
    result = future.result()  # Get the result once the task is done
    print(result)

import asyncio
# Asynchronous function to simulate a task
async def task(name):
    await asyncio.sleep(0.01)
    return f"Task {name} Completed"
# Main function to run multiple tasks concurrently
async def main():
    tasks = [task(1), task(2), task(3)]
    results = await asyncio.gather(*tasks)  # Run all tasks concurrently and wait for them
    for result in results:
        print(result)
# Run the main function
asyncio.run(main())