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iheeeeeb

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Feb 24th, 2020
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  1. #EX2
  2. ch1=input("donner une chaine :")
  3. chtmp=ch1
  4. ch2=input('donner la chaine a chercher dans la premiere chaine :')
  5. i=0
  6. while True:
  7. pos0=ch1.find(ch2)
  8. if pos0!=-1:
  9. i+=1
  10. pos0=ch1.find(ch2)
  11. pos0=pos0+len(ch2)
  12. ch1=ch1[pos0:]
  13. else:
  14. # print("n'existe pas !")
  15. break
  16. ch='Occurrence de "%s" dans "%s" est %d' %(ch2,chtmp,i)
  17. ch
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