In the simple program
# importing the multiprocessing module
import multiprocessing
def print_cube(num):
print("Cube: {}".format(num * num * num))
def print_square(num):
print("Square: {}".format(num * num))
if __name__ == "__main__":
# creating processes
p1 = multiprocessing.Process(target=print_square, args=(10, ))
p2 = multiprocessing.Process(target=print_cube, args=(10, ))
# starting process 1
p1.start()
# starting process 2
p2.start()
# wait until process 1 is finished
p1.join()
# wait until process 2 is finished
p2.join()
# both processes finished
print("Done!")
the Python Shell 3.8.2 (both the 32 and 64 Bit version) does not execute
the multiprocessing.Process instruction, and outputs
= RESTART:
C:\Users\gerhartr\Desktop\Python\Concurrent\Multiprocessing\python1.py
Done!
Using the cmd python.exe command, the correct output
Square: 100
Cube: 1000
Done!
This error can be documented also in other programs which uses the
multiprocessing.Process instruction.
best
Gerhard
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