from timeit import default_timer as timer
from threading import Thread
####from multiprocessing import Process as Thread
import os
 
# for ideone.com
class NullFile:
    def write(self, data):
        pass
devnull = NullFile()
#
 
def printNumbers(lowEnd, highEnd):
    while(lowEnd <= highEnd):
        print(repr(lowEnd),file=devnull)
        lowEnd += 1
 
 
countTo = 100000
 
#Test using 1 thread.
startSingleThread = timer()
printNumbers(0,countTo)
elapsedSingleThread = (timer() - startSingleThread)
 
#Test using 10 threads
numberOfThreads      = 10
countAmountPerThread = countTo//numberOfThreads
 
startTenThread = timer()
threads = []
for i in range(numberOfThreads):
    threadLowEnd  = i*countAmountPerThread
    threadHighEnd = (i+1)*countAmountPerThread
    t = Thread(target=printNumbers, args=(threadLowEnd,threadHighEnd,))
    threads.append(t)
    t.daemon = True
    t.start()
 
#Join all existing threads to main thread.
for t in threads: t.join()
 
elapsedTenThread = (timer() - startTenThread)
 
print("Time for 1 thread: " + repr(elapsedSingleThread))
print("time for 10 threads: " + repr(elapsedTenThread))
 

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