python での スレッドの使用例

thread01.py

#! /usr/bin/python3
# -*- coding: utf-8 -*-
#
# --------------------------------------------------------------------
import threading
import time
import sys
# --------------------------------------------------------------------
def ff01 (aa,bb,cc):
    sys.stderr.write("*** ff01 *** start ***\n")
    for it in range (3):
        print (str (it) + "\t" + aa + "\t" + bb + "\t" +cc)
        it += 1
        time.sleep(1)
    sys.stderr.write("*** ff01 *** end ***\n")
#
# --------------------------------------------------------------------
sys.stderr.write("*** 開始 ***\n")
#
th1 = threading.Thread(target=ff01,args=("hello","Good","Morning"))
th1.setDaemon(True)
th1.start()
#
try:
    icount = 0
    while True:
        sys.stderr.write("icount = %d\n" % icount)
        time.sleep(3)
        icount += 1
except KeyboardInterrupt:
    print ("STOP")
#
sys.stderr.write("*** 終了 ***\n")
# --------------------------------------------------------------------

実行結果

$ ./thread01.py 
*** 開始 ***
*** ff01 *** start ***
0   hello   Good    Morning
icount = 0
1   hello   Good    Morning
2   hello   Good    Morning
icount = 1
*** ff01 *** end ***
icount = 2
icount = 3
icount = 4
icount = 5
^CSTOP
*** 終了 ***

次の環境で動作を確認

Arch Linux (4.15.15-1-ARCH)