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  1. import time
  2.  
  3. def concat(n):
  4. 	start = time.time()
  5. 	s = ""
  6. 	for i in range(n):
  7. 		s += "Вася" + str(i)
  8. 	end = time.time()
  9. 	print("%d strings concatenated in %.3f seconds" % (n, end - start))
  10.  
  11. def join(n):
  12. 	start = time.time()
  13.  
  14. 	def gen(n):
  15. 		for i in range(n):
  16. 			yield "Вася" + str(i)
  17.  
  18. 	s = "".join(gen(n))
  19. 	end = time.time()
  20. 	print("%d strings joined in %.3f seconds" % (n, end - start))
  21.  
  22.  
  23.  
  24. concat(3000000)
  25. join(3000000)
Success #stdin #stdout 4.69s 10024KB
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stdin
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Standard input is empty
stdout
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3000000 strings concatenated in 2.171 seconds
3000000 strings joined in 2.481 seconds
https://ideone.com/nuK7XQ
language:
Python 3 (python  3.9.5)
created:
7 years ago
visibility:
public

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