KnowHow

#Chapter 4 child_process.py


import os
from multiprocessing import Process


def run_child() -> None:
    print("Child: I am the child process.")
    print(f"Child: Child's PID: {os.getpid()}")
    print(f"Child: Parent's PID: {os.getppid()}")


def start_parent(num_children: int) -> None:
    print("Parent : I am the parent process")
    print(f"Parent: Parent's PID: {os.getpid()}")
    for i in range(num_children):
        print(f"Starting Proces {i}")
        Process(target=run_child).start()


if __name__ == '__main__':
    num = 3
    start_parent(num)