Python Threading Example

threading_example.py

import threading
import time


lock = threading.Lock()


def make_cookies(cake_number):
    """Instructions for the robot on how to create cookies"""
    with lock:
        print(f"Cake #: {cake_number}")
        print("===============")

        steps = [
            "Buy ingredients",
            "Mix ingredients",
            "Spray cooking sheet",
            "Form Cookies on cooking sheet",
            "Bake",
            "Remove from oven",
            "Let cool",
            "Enjoy",
        ]

        for step_number, step in enumerate(steps, 1):
            print(f"{step_number}: {step}")

        print()

    time.sleep(1)


def main():
    i = 1

    while i < 1001:
        threads = []

        for j in range(0, 50):
            thread = threading.Thread(target=make_cookies, args=(i,))
            thread.start()
            threads.append(thread)

            i += 1

        for thread in threads:
            thread.join()


if __name__ == "__main__":
    main()