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  1. import time
  2. lst = ["Вася", "1"]	
  3.  
  4.  
  5. def concat(n):
  6. 	start = time.time()
  7. 	s = ""
  8. 	for i in range(n):
  9. 		s += "Вася" + "1"
  10. 	end = time.time()
  11. 	print("%d strings concatenated in %.3f seconds" % (n, end - start))
  12.  
  13.  
  14. def join(n):
  15. 	start = time.time()
  16. 	for i in range(n):
  17. 		s = "".join(lst)
  18. 	end = time.time()
  19. 	print("%d strings joined in %.3f seconds" % (n, end - start))
  20.  
  21.  
  22.  
  23. concat(3000000)
  24. join(3000000)
Success #stdin #stdout 1.6s 9984KB
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stdin
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Standard input is empty
stdout
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3000000 strings concatenated in 0.681 seconds
3000000 strings joined in 0.885 seconds
https://ideone.com/P8vWfo
language:
Python 3 (python  3.9.5)
created:
8 years ago
visibility:
public

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