code

from threading import Thread
import threading
from multiprocessing import Process
import os
 
def work():
    import time
    time.sleep(3)
    print("thread say:",threading.current_thread().getName())
 
if __name__ == '__main__':
    # 在主进程下开启线程
    t = Thread(target=work)
    t.start()
 
    print("getname:",threading.current_thread().getName())
    print("current_thread:",threading.current_thread())  # 主线程
    print("enumerate:",threading.enumerate())  # 连同主线程在内有两个运行的线程
    print("active_count:",threading.active_count())
    print('主线程/主进程')

Outputs

macname@MacdeMacBook-Pro py % python3 cccccc.py
getname: MainThread
current_thread: <_MainThread(MainThread, started 4554411456)>
enumerate: [<_MainThread(MainThread, started 4554411456)>, <Thread(Thread-1, started 123145514541056)>]
active_count: 2
主线程/主进程
thread say: Thread-1
macname@MacdeMacBook-Pro py %