import select import socket def slow_systemcall(): select.select([socket.socket()], [], [], 0.1) start = time.time() for _ in range(5): slow_systemcall() end = time.time() delta = end - start print(f'Took {delta:.3f} seconds') # Took 0.526 seconds import select import socket def slow_systemcall(): select.select([socket.socket()], [], [], 0.1) start = time.time() threads = [] for _ in range(5): t..