vector array(' 'procsshared memoryprocess/thread safe type codes from ctypesintdouble show start value in parent process showdata('parent start'scalarvectorspawn childpass in shared memory process(target=showdataargs=('child 'scalarvector) start() join(pass in shared memory updated in parentwait for each to finish each child sees updates in parent so far for args (but not globalprint('\nloop (updates in parentserial children'for in range(procs)count + scalar value + vector[ + process(target=showdataargs=(('process %si)scalarvector) start() join(same as priorbut allow children to run in parallel all see the last iteration' result because all share objects print('\nloop (updates in parentparallel children'ps [for in range(procs)count + scalar value + vector[ + process(target=showdataargs=(('process %si)scalarvector) start(ps append(pfor in psp join(shared memory updated in spawned childrenwait for each print('\nloop (updates in serial children'for in range(procs) process(target=updaterargs=(scalarvector) start( join(showdata('parent temp'scalarvectorsamebut allow children to update in parallel ps [print('\nloop (updates in parallel children'for in range(procs) process(target=updaterargs=(scalarvector) start(ps append(pfor in psp join(global count= in parent only the multiprocessing module