demon_threads.py

# daemon threads = threads that runs in the background, not important for program to run
#                  your program will not wait for daemon threads to complete before exiting
#                  non-daemon threads cannot normally be killed, stay alive until task is complete
#
#
#                  ex. background tasks, garbage collection, waiting for input, long-running process.

import threading
import time


def timer():
    print()
    count = 0
    while True:
        time.sleep(1)
        count += 1
        print("logged in for:", count, "seconds")


x = threading.Thread(target=timer, daemon=True)
x.start()

# x.setDaemon(True)
print(x.isDaemon())

answer = input("Do you wish to exit?\n")