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  1. import math
  2. def func(x):
  3. 	return x*math.sin(x/2)
  4.  
  5. a = 0
  6. b = 3.1415926
  7. s = 0
  8. n = 10000
  9. h = (b-a)/n
  10. for i in range(n):
  11. 	s += func(a+h*(i-1))
  12. print(s*h)
Success #stdin #stdout 0.03s 9860KB
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Standard input is empty
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3.998519497981442
https://ideone.com/kS5dWc
language:
Python 3 (python  3.9.5)
created:
11 days ago
visibility:
public

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