培训代码多线程

import threading
import time

def fun1(a):
    for i in range(10):
        print(threading.current_thread().getName(),i)
        time.sleep(a)

def fun2(a):
    for i in range(65,76):
        print(threading.current_thread().getName(),chr(i))
        time.sleep(a)

# thread1 = threading.Thread(target=fun1,args=(1,),name="线程一")
# thread2 = threading.Thread(target=fun2,args=(1,),name="线程线程二")
# thread1.start()
# thread2.start()

class MyThread1(threading.Thread):
    def __init__(self,a,name):
        # threading.Thread.__init__(self,args=(a,))
        super().__init__(name=name)
        self.a = a
    def run(self):
        fun1(self.a)
class MyThread2(threading.Thread):
    def __init__(self,a,name):
        # threading.Thread.__init__(self,args=(a,))
        super().__init__(name=name)
        self.a = a
    def run(self):
        fun2(self.a)
thread1 = MyThread1(0.1,"线程一")
thread1.start()
thread2 = MyThread1(0.1,"线程二")
thread2.start()




import threading

def fun1():
    for i in range(10):
        print(threading.current_thread().getName(),i)
        if i == 5:
            thread2 = threading.Thread(target=fun2,name="线程二")
            thread2.start()
            thread2.join()


def fun2():
    for i in range(65,76):
        print(threading.current_thread().getName(),chr(i))

thread1 = threading.Thread(target=fun1,name="线程一")
thread1.start()




import threading

lock = threading.Lock()
ticket = 100
def seal():
    global ticket
    global lock
    lock.acquire()
    while ticket>=0:
        print(threading.current_thread().getName(),ticket)
        ticket-=1
    lock.release()
for i in range(3):
    thread = threading.Thread(target=seal,name="线程{}==>".format(i+1))
    thread.start()