[Tutor] (no subject)

[Lucas Prado Melo]

On Tue, Sep 8, 2009 at 10:48 AM, shellcom3 at juno.com <shellcom3 at juno.com>wrote:

>
> I want to write a code that allows me to input a phrase and calculate the
> number of vowels twice. once with the for loop and second with the while
> loop.I can get the for loop to work but, not the while loop. this is my code
> and response.
>
[snip]

> index = 0
> while index < len(phrase):
>    if phrase[index] in VOWELS:
>
>         index = index +1
>         print "number of vowels" ,index
>
This is an infinite loop. When phrase[index] is not in VOWELS, nothing
changes and the test "index < len(phrase)" is still true.
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