import threading
import time

def daemon_thread_function():
    print("守护线程开始")
    time.sleep(5)
    print("守护线程结束")

def non_daemon_thread_function():
    print("非守护线程开始")
    time.sleep(2)
    print("非守护线程结束")

# 创建守护线程
daemon_thread = threading.Thread(target=daemon_thread_function, daemon=True)
# 创建非守护线程
non_daemon_thread = threading.Thread(target=non_daemon_thread_function)

# 启动线程
daemon_thread.start()
non_daemon_thread.start()

print("主线程继续执行")
# 主线程等待非守护线程结束
non_daemon_thread.join()
print("主线程结束")