lesson02_custom_function.py

# SuperFastPython.com
# example of running a function in a new child process
from time import sleep
from multiprocessing import Process

# custom function to be executed in a child process
def task():
 # block for a moment
 sleep(1)
 # report a message
 print('This is from another process', flush=True)

# protect the entry point
if __name__ == '__main__':
 # create a new process instance
 process = Process(target=task)
 # start executing the function in the process
 process.start()
 # wait for the process to finish
 print('Waiting for the process...')
 process.join()