I can't deal with "IndexError: string index out of range" in Python

Question

def words():
quote = input("Enter a 1 sentence quote, non-alpha separate words: ")
word = ""
for ltr in quote:
    if ltr.isalpha():
        word = word + ltr
    else:
        if word[0].lower() > "g":
            print(word.upper())
            word = ""
        else:
            word = ""

Here all the info.

Seriously I do not know what to do.

Post your full error message. Not a link to it, post the text please. — Tony Tuttle
– Tony Tuttle, Commented Mar 16, 2018 at 23:17
word[0].lower will throw out the error because word may be empty. — Sphinx
– Sphinx, Commented Mar 16, 2018 at 23:19

cowbert · Accepted Answer · 2018-03-16 23:19:35Z

2

Don't use word[0] because word could be empty while still failing the isalpha check. Check for len(word) first:

if len(word) and word[0].lower() > 'g':

answered Mar 16, 2018 at 23:19

cowbert

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1 Comment

cowbert Over a year ago

Note: I think you don't even need len(), since non-empty word is truthy. So if word and world[0]... should be sufficient too.

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