Goroutines in Minitab

Based on the input, the target language specified is Python. Here is the translated code with an explanation.

A goroutine is a lightweight thread of execution.

import threading
import time

def f(from_):
    for i in range(3):
        print(f"{from_} : {i}")

if __name__ == "__main__":
    # Suppose we have a function call f(s). Here’s how
    # we’d call that in the usual way, running it
    # synchronously.
    f("direct")
    
    # To invoke this function in a thread, use
    # threading.Thread(target=f, args=(s,)).start(). This new thread will execute
    # concurrently with the calling one.
    threading.Thread(target=f, args=("thread",)).start()
    
    # You can also start a thread for an anonymous
    # function call.
    threading.Thread(target=lambda msg: print(msg), args=("going",)).start()

    # Our two function calls are running asynchronously in
    # separate threads now. Wait for them to finish (for a more
    # robust approach, use `threading.join`).
    time.sleep(1)
    print("done")

When we run this program, we see the output of the blocking call first, then the output of the two threads. The threads’ output may be interleaved because threads are being run concurrently by the Python runtime.

$ python goroutines.py
direct : 0
direct : 1
direct : 2
thread : 0
going
thread : 1
thread : 2
done

Next, we’ll look at a complement to threads in concurrent Python programs: queues.

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Goroutines in Minitab