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| Date | Tue, 24 May 2011 01:58:25 -0700 |
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| Subject | Re: NEED HELP- read file contents, while loop to accept user input, and enter to exit |
| From | Chris Rebert <clp2@rebertia.com> |
| To | Cathy James <nambo4jb@gmail.com> |
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On Tue, May 24, 2011 at 1:31 AM, Cathy James <nambo4jb@gmail.com> wrote:
> dear mentor,
>
> I need help with my code:
<snip>
In addition to what others have already said...
> please see my attempt below and help:
>
> #1) open file and display current file contents:
> f = open ('c:/testing.txt'', 'r')
> f.readlines()
> #2) and 3) use while loop to write user input to file, save to file, close
> when press enter:
> while True:
> s = input ('enter name: ').strip()
> f = open ('c:/testing.txt', 'a')
> if f.writable():
Since you *just* opened the file in append mode, this condition will
*always* be true (append mode implies writability), so your `else`
clause will *never* be executed.
> f.write(s)
> break
> else:
> f = open ('c:/testing.txt', 'r')
> f.readlines()
> for line in f:
> print (line)
Similar beginner questions would be best directed to Python's Tutor
mailinglist: http://mail.python.org/mailman/listinfo/tutor
Cheers,
Chris
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Re: NEED HELP- read file contents, while loop to accept user input, and enter to exit Chris Rebert <clp2@rebertia.com> - 2011-05-24 01:58 -0700
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