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Dec 9th, 2019
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  1. def freq(DNA, triplet):
  2. brojPojavljivanja=0
  3. brojac = len(DNA)-2
  4. i=0
  5. while i < brojac:
  6. subString = DNA[i:i+3]
  7. i+=1
  8. if(subString==triplet):
  9. brojPojavljivanja+=1
  10. i+=2
  11. return brojPojavljivanja
  12.  
  13. print("Molimo unesite DNA ili STOP za prekid rada")
  14. DNA = str(input())
  15. while DNA != "STOP":
  16. print("Molimo unesite triplet")
  17. triplet = str(input())
  18. brojPojavljivanja = freq(DNA, triplet)
  19. print("Triplet ",triplet," se pojavio ",brojPojavljivanja," puta")
  20. print("Molimo unesite DNA ili STOP za prekid rada")
  21. DNA = str(input())
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