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Subject: Re: AttributeError
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To: "python-list@python.org" <python-list@python.org>
From: MRAB <python@mrabarnett.plus.com>
Date: Thu, 13 Aug 2015 00:16:46 +0100
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Xref: csiph.com comp.lang.python:95327

On 2015-08-13 00:05, Ltc Hotspot wrote:
> On Wed, Aug 12, 2015 at 3:35 PM, MRAB <python@mrabarnett.plus.com> wrote:
> > On 2015-08-12 22:16, Denis McMahon wrote:
> > [snip]
> >
> >> c = [0 for i in range(24)]
> >> f = open(filename,'r')
> >> for l in f:
> >>      h = int(l.strip().split()[X].split(':')[Y])
> >>      c[h] = c[h] + 1
> >> f.close()
> >> for i in range(24):
> >>      print '{:02d} {}'.format(i, c[i])
> >>
> > There's no need to strip whitespace just before splitting on it.
> >
> > This:
> >
> >     l.strip().split()
> >
> > can be shortened to this:
> >
> >     l.split()
> >
> > --
> > https://mail.python.org/mailman/listinfo/python-list
>
>
> MRAB,
>
> The Revised code produces a traceback:
> ()
>        9
>       10 c = [0 for i in range(24)]
> ---> 11 f  = open(filename,'r')
>       12 for l in f:
>       13      h = int(l.split()[X].split(':')[Y])
>
> NameError: name 'filename' is not defined
>
>
>
> The revised code reads:
>
> handle = """From stephen.marquard@uct.ac.za Sat Jan  5 09:14:16 2008
> >From louis@media.berkeley.edu Fri Jan  4 18:10:48 2008
> """.split("\n")
> # Snippet file data: mbox-short.txt
>
> count = dict()
> #fname = raw_input("Enter file name: ")# Add Snippet file
> #handle = open (fname, 'r')# Add Snippet file
>
> c = [0 for i in range(24)]
> f  = open(filename,'r')
> for l in f:
>       h = int(l.split()[X].split(':')[Y])
>       c[h] = c[h] + 1
> f.close()
> for i in range(24):
>       print '{:02d} {}'.format(i, c[i])
>
>
> How do I define the file name in order to remove the traceback?
>
At this point I think I'll just let you figure that out for yourself...