string index out of range in Python

Question

I want to find how many times an character repeated in a word for example: how many times the 'l' repeated in the "Hello". but it drops me this error:

IndexError: string index out of range

And my code:

def fin(x,lst):
   if x == '':
      return 0
   if lst[0] == x:
      return 1+ fin(x,lst[1:])
   else:
      return fin(x,lst[1:])

how many items in lst when this error occurs? Maybe you had only 1 item, and the lst[1:] slicing generated this error — DevLounge
– DevLounge, Commented Oct 15, 2014 at 18:54

sedavidw · Accepted Answer · 2014-10-15 18:54:19Z

4

There are pre-written functions in python to do this for you. But if you're doing this for the sake of education...

You have the wrong stop condition, you should be checking if the lst is empty, not x

answered Oct 15, 2014 at 18:54

sedavidw

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