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  1.  
  2. def down():
  3. 	E = {}	
  4. 	E[20] = 0.0
  5.  
  6. 	for i in range(20, 1, -1):
  7. 		E[i-1] = (1 - E[i]) / i
  8.  
  9. 	return E
  10.  
  11. def up():	
  12. 	E = {}
  13. 	E[1] = 0.367879
  14.  
  15. 	for i in range(2, 20+1):
  16. 		E[i] = 1 - i*E[i-1]
  17.  
  18. 	return E
  19.  
  20. def print_E(E):
  21. 	return ", ".join("E[{}] = {:.3}".format(k, v) for k, v in E.items())
  22.  
  23. print(print_E(down()))
  24. print(print_E(up()))
  25.  
Success #stdin #stdout 0s 7896KB
comments (?)
stdin 
Standard input is empty
stdout 
E[1] = 0.368, E[2] = 0.264, E[3] = 0.207, E[4] = 0.171, E[5] = 0.146, E[6] = 0.127, E[7] = 0.112, E[8] = 0.101, E[9] = 0.0916, E[10] = 0.0839, E[11] = 0.0774, E[12] = 0.0718, E[13] = 0.0669, E[14] = 0.0627, E[15] = 0.059, E[16] = 0.0557, E[17] = 0.0528, E[18] = 0.05, E[19] = 0.05, E[20] = 0.0
E[1] = 0.368, E[2] = 0.264, E[3] = 0.207, E[4] = 0.171, E[5] = 0.145, E[6] = 0.127, E[7] = 0.11, E[8] = 0.119, E[9] = -0.0685, E[10] = 1.68, E[11] = -17.5, E[12] = 2.11e+02, E[13] = -2.75e+03, E[14] = 3.85e+04, E[15] = -5.77e+05, E[16] = 9.23e+06, E[17] = -1.57e+08, E[18] = 2.82e+09, E[19] = -5.37e+10, E[20] = 1.07e+12
https://ideone.com/GDhfUF
language:
Python (cpython 2.7.16)
created:
12 years ago
visibility:
public

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