python多线程问题

Question

原码
import multiprocessing
import time

def sing():
for i in range(3):
print("唱歌中")
time.sleep(0,2)
def dance():
for i in range(3):
print("跳舞中")
time.sleep(0, 2)

bin = multiprocessing.Process(target=sing)
bingbing = multiprocessing.Process(target=dance)

sing()
dance()

错误码
Traceback (most recent call last):
File "G:/bc1/PycharmProjects/untitled/多进程/01.py", line 1, in
import multiprocessing
File "C:\Users\LINGBINGQIAN\AppData\Local\Programs\Python\Python38\lib\multiprocessing_init_.py", line 22
all =z [x for x in dir(context.default_context) if not x.startswith('')]
^
SyntaxError: invalid syntax

Answer 1

all =z [x for x in dir(context.default_context) if not x.startswith('')]‘’
z和括号之间少了符号，你这是想要做什么操作