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  1. import threading
  2.  
  3. counter = 0
  4. def runner(N):
  5.     global counter
  6.     for i in range(N):
  7.         counter += 1
  8.  
  9. def main():
  10.     N = 1000000
  11.     t1 = threading.Thread(target=runner, args=(N,))
  12.     t2 = threading.Thread(target=runner, args=(N,))
  13.     t1.start()
  14.     t2.start()
  15.  
  16.     t1.join()
  17.     t2.join()
  18.     print(f"expected: {N+N}, calculated: {counter}")
  19.  
  20. if __name__ == '__main__':
  21.     main()
  22.  
Success #stdin #stdout 0.13s 10004KB
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stdin
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Standard input is empty
stdout
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expected: 2000000, calculated: 1639497
https://ideone.com/iDVS1x
language:
Python 3 nbc (python 3.7.3)
created:
4 years ago
visibility:
public

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