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  1. import time
  2.  
  3. def concat(reps):
  4. 	start = time.time()
  5. 	for i in range(reps):
  6. 		s = ""
  7. 		s += "Вася"
  8. 		s += "1"
  9. 		s += "2"
  10. 	return time.time() - start
  11.  
  12.  
  13. def join(reps):
  14. 	start = time.time()
  15. 	lst = ["Вася", "1", "2"]
  16. 	for i in range(reps):
  17. 		s = "".join(lst)
  18. 	return time.time() - start
  19.  
  20. reps = 2000000
  21.  
  22. print("%d join = %.6f" % (reps, join(reps)))
  23. print("%d concat = %.6f" % (reps, concat(reps) * 0.75))
Success #stdin #stdout 1.4s 9984KB
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Standard input is empty
stdout
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2000000 join = 0.586540
2000000 concat = 0.592885
https://ideone.com/QEsp0f
language:
Python 3 (python  3.9.5)
created:
8 years ago
visibility:
public

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