Python: Show the individual process IDs involved

Python Basic - 1: Exercise-118 with Solution

In multiprocessing, processes are spawned by creating a Process object.
Write a Python program to show the individual process IDs (parent process, process id etc.) involved.

Sample Solution:

Python Code:

from multiprocessing import Process
import os
def info(title):
    print(title)
    print('module name:', __name__)
    print('parent process:', os.getppid())
    print('process id:', os.getpid())
def f(name):
    info('function f')
    print('hello', name)
if __name__ == '__main__':
    info('Main line')
    p = Process(target=f, args=('bob',))
    p.start()
    p.join()

Sample Output:

Main line
module name: __main__
parent process: 23967
process id: 27986
function f
module name: __main__
parent process: 27986
process id: 27987
hello bob

Flowchart:

Python Code Editor:

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