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Multi-Process program in python
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import multiprocessing# empty list with global scope
result = []
def square_list(mylist):
"""
function to square a given list
"""
global result
# append squares of mylist to global list result
for num in mylist:
result.append(num * num)
# print global list result
print("Result(in process p1): {}".format(result))
if __name__ == "__main__":
# input list
mylist = [1,2,3,4]
# creating new process
p1 = multiprocessing.Process(target=square_list, args=(mylist,))
# starting process
p1.start()
# wait until process is finished
p1.join()
# print global result list
print("Result(in main program): {}".format(result))