Test simultaniously write to file from two scripts

README.md

Запустить в одной консоли:

python3 test_write.py A

Во второй консоли:

python3 test_write.py B

script.py

import time
import itertools
import sys


prefix = sys.argv[1]

print('Prefix is:', prefix)

with open('test.txt', 'wb') as file:
    for index in itertools.count(1):
        timestamp = int(time.time())
        text_line = f'{prefix}.{index} {timestamp}'
        file.write(f'{text_line}\n'.encode('utf-8'))
        print(text_line)

        file.flush()
        
        time.sleep(1)