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comp / comp.lang.python / Re: Flubbed it in the second interation through the string: range error... HOW?

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o Re: Flubbed it in the second interation through the string: range error... HOW?Thomas Passin

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Subject: Re: Flubbed it in the second interation through the string: range error... HOW?
From: Thomas Passin
Newsgroups: comp.lang.python
Date: Wed, 29 May 2024 05:14 UTC
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From: list1@tompassin.net (Thomas Passin)
Newsgroups: comp.lang.python
Subject: Re: Flubbed it in the second interation through the string: range
error... HOW?
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Your code is unreadable. The lines have all run together. And after
that, kindly explain what you want your code sample to do. "Process"
doesn't say much.

From what I can make out about what you are trying to do, you would do
better to index through your string with

for i, chr in enumerate(name):
# do something with the character

Also, it's 2024 ... time to start using f-strings (because they are more
readable than str.format())

On 5/29/2024 12:33 AM, Kevin M. Wilson via Python-list wrote:
> The following is my effort to understand how to process a string, letter, by letter:
> def myfunc(name):        index = 0    howmax = len(name)    # while (index <= howmax):    while (index < howmax):        if (index % 2 == 0):            print('letter to upper = {}, index {}!'.format(name[index], index))            name = name[index].upper()            print('if block {} and index {}'.format(name[index], index))        elif (index % 2 > 0):            print(index)            print('Start: elseif block, index is {}, letter is {}'.format(index, name))            # print('letter to lower = {}'.format(name[index]))            # print('Already lowercase do noting: name = {}'.format(name[index]))        index += 1        # index = name.upper()
>     return name
> myfunc('capitalism')
> Error message:                        Not making sense, index is 1, letter s/b 'a'letter to upper = c, index 0!
> if block C and index 0
> 1
> Start: elseif block, index is 1, letter is C
> ---------------------------------------------------------------------------
> IndexError Traceback (most recent call last)
> Cell In[27], line 21
> 17 # index = name.upper()
> 19 return name
> ---> 21 myfunc('capitalism')
>
> Cell In[27], line 8, in myfunc(name)
> 6 while (index < howmax):
> 7 if (index % 2 == 0):
> ----> 8 print('letter to upper = {}, index {}!'.format(name[index], index))
> 9 name = name[index].upper()
> 10 print('if block {} and index {}'.format(name[index], index))
>
> IndexError: string index out of range***************************************************
> So, I'm doing something... Stupid!!
> ***************************************************
> "When you pass through the waters, I will be with you: and when you pass through the rivers, they will not sweep over you. When you walk through the fire, you will not be burned: the flames will not set you ablaze."
> Isaiah 43:2

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