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  1. nth = int(raw_input('enter number nth: '))
  2. oddprimes = [2]
  3. cont = 2
  4. candidat = 3
  5. while (cont <= nth): #start with nth>=2
  6. verificator = True
  7. for i in oddprimes:
  8. if candidat%i == 0:
  9. verificator = False
  10. break
  11. if verificator:
  12. oddprimes = oddprimes + [candidat]
  13. cont = cont + 1
  14. candidat = candidat + 2
  15. print oddprimes[nth-1]
Success #stdin #stdout 0.22s 6360KB
stdin
1000
stdout
enter number nth: 7919