Как запустить несколько экземпляров функции

from multiprocessing import Process, Pool
 
pool = Pool(11)
    
pool.map(Pi_num__idea2, [('pi', 2),('pi', 3),('pi', 4),('e', 1),('e', 2),('e', 3),('e', 4),('s2', 1),('s2', 2),('s2', 3),('s2', 4)])

from multiprocessing import Process, Pool
if __name__ == '__main__':
    
    def Pi_num__idea2(method, idea):
        pass
    
    with Pool(processes=11) as pool:
        pool.map(Pi_num__idea2, [('pi', 2),('pi', 3),('pi', 4),('e', 1),('e', 2),('e', 3),('e', 4),('s2', 1),('s2', 2),('s2', 3),('s2', 4)])

Pi_2 = Process(target=Pi_num__idea2('pi', 2))
Pi_3 = Process(target=Pi_num__idea2('pi', 3))
Pi_4 = Process(target=Pi_num__idea2('pi', 4))
    
E_1 = Process(target=Pi_num__idea2('e', 1))
E_2 = Process(target=Pi_num__idea2('e', 2))
E_3 = Process(target=Pi_num__idea2('e', 3))
E_4 = Process(target=Pi_num__idea2('e', 4))
 
Pi_2.start()
Pi_3.start()
Pi_4.start()
    
E_1.start()
E_2.start()
E_3.start()
E_4.start()
 
Pi_2.join()
Pi_3.join()
Pi_4.join()
    
E_1.join()
E_2.join()
E_3.join()
E_4.join()

from multiprocessing import Process, Pool
def Pi_num__idea2(method, idea):
        pass
def multiprocessed():
    my_list = [('pi', 2),('pi', 3),('pi', 4),('e', 1),('e', 2),('e', 3),('e', 4),('s2', 1),('s2', 2),('s2', 3),('s2', 4)]
    processes = []
    for i in range(11):
        p = Process(target=Pi_num__idea2, args=my_list[i])
        processes.append(p)
    # Start the processes
    for p in processes:
        p.start()
    # Ensure all processes have finished execution
    for p in processes:
        p.join()
 
if __name__ == '__main__':
    
    multiprocessed()

from multiprocessing import Pool
import os
 
addresses = ['yandex.ru', 'не_существует.ru', 'rambler.ru'] * 100
 
def ping(ip):
    res = os.system("ping -n 1 " + ip +'>nul')
    return (ip,res)
 
def multi_ping(workers,func):
    pool = Pool(workers)
    results = pool.map(func, addresses)
    
    for r in results:
       print(r)
    
    pool.close()
    pool.join() 
    
if __name__ == '__main__':   
    multi_ping(10,ping)