import threading
import multiprocessing
import random
import time
 
 
cc = time.time()
 
 
def write(name):
    c = time.time()
    a = ''.join([chr(random.randint(0, 100)) for _ in range(1000000)])
    a = a.encode()
    with open("%s.txt" % name, 'wb') as ff:
        ff.write(a)
        print(name, 'done')
    print(time.time() - c)
 
 
for x in range(3):
    threading.Thread(target=write, args=(x,)).run()
# from multiprocessing import Pool
 
 
# if __name__ == '__main__':
#     with Pool(5) as p:
#         p.map(write, [1, 2, 3])
 
#     print('total', time.time() - cc)

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