Async await in Python

async_await.py

from asyncio import run


async def sum():
	total = 0
	for i in range(0,10):
		print(f'i : {i}')
		total += i
	return total


async def greeter(name):
	result = await sum()
	print(f'Hi, {name} , sum : {result}')
	return "success"
	

def call():
	result = run(greeter('Biranchi'))
	print(f'call : {result}')
	
call()

	
'''
Result :
======

i : 0
i : 1
i : 2
i : 3
i : 4
i : 5
i : 6
i : 7
i : 8
i : 9

Hi, Biranchi , sum : 45
call : success

'''


#======================================================================================


import asyncio


async def count():
    print("One")
    await asyncio.sleep(1)
    print("Two")


async def main():
    await asyncio.gather(count(), count(), count())


if __name__ == "__main__":
    import time
    s = time.perf_counter()
    asyncio.run(main())
    elapsed = time.perf_counter() - s
    print(f"{__file__} executed in {elapsed:0.2f} seconds.")
    

#======================================================================================