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  1. import time
  2.  
  3. def concat():
  4. 	start = time.time()
  5. 	s = ""
  6. 	s += "Вася"
  7. 	s += "1"
  8. 	return time.time() - start
  9.  
  10.  
  11. def join():
  12. 	start = time.time()
  13. 	lst = ["Вася", "1"]
  14. 	s = "".join(lst)
  15. 	return time.time() - start
  16.  
  17. reps = 1000000
  18. ct = 0
  19. jt = 0
  20. for i in range(reps):
  21. 	ct += concat()
  22. 	jt += join()
  23.  
  24. print("%d join = %.6f" % (reps, jt))
  25. print("%d concat = %.6f" % (reps, ct))
Success #stdin #stdout 2.68s 9984KB
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stdin
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Standard input is empty
stdout
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1000000 join = 0.656635
1000000 concat = 0.512514
https://ideone.com/fnBder
language:
Python 3 (python  3.9.5)
created:
8 years ago
visibility:
public

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