AttributeError

MRAB python at mrabarnett.plus.com
Wed Aug 12 22:04:48 CEST 2015


On 2015-08-12 20:05, Ltc Hotspot wrote:
> >Have a look at assignment_10_2_v_06.py.
>
> What should I look at assignment_10_2_v_06.py.:
How "time" is defined!
>
> handle = """From stephen.marquard at uct.ac.za Sat Jan  5 09:14:16 2008
> >From louis at 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
> for line in handle:
>      if line.startswith("From "):
>          time = line.split() # Sort time
>
>          hours = line.split(":")[5] # Sort hours
>          line = line.rstrip()
>
>          count[hours] = count.get(hours, 0) + 1 # counter
>
> lst = [(val,key) for key,val in count.items()]
>
> print key, val
>
> On Wed, Aug 12, 2015 at 11:59 AM, MRAB <python at mrabarnett.plus.com> wrote:
> > On 2015-08-12 19:35, Ltc Hotspot wrote:
> >>
> >> Emile
> >>
> >> How do I define time in the revised code ?
> >>
> >>
> > Have a look at assignment_10_2_v_06.py.
> >
> >>
> >>
> >> ---------------------------------------------------------------------------
> >> Traceback Message reads:
> >> In [66]: %run assignment_10_2_v_07
> >>
> >> NameError
> >> Traceback (most recent call last)
> >> C:\Users\vm\Desktop\apps\docs\Python\week_10\assignment_10_2_v_07.py in
> >> <module>
> >> ()
> >>        9 for line in handle:
> >>       10     if line.startswith("From "):
> >> ---> 11         for key, val in time.split()[5]:
> >>       12             for key, val in hours.split(':')[0]:
> >>       13                 count[hours] = count.get(hours, 0) + 1 # counter
> >>
> >> NameError: name 'time' is not defined
> >>
> >> ---------------------------------------------------------------------------
> >>>>>
> >>>>>
> >> In [67]: print time
> >> 0
> >>
> >> ---------------------------------------------------------------------------
> >>
> >> Revised Code reads:
> >> handle = """From stephen.marquard at uct.ac.za Sat Jan  5 09:14:16 2008
> >>>
> >>> From louis at 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: ")# insert snippet file
> >> #handle = open (fname, 'r')# insert snippet file
> >> for line in handle:
> >>      if line.startswith("From "):
> >>          for key, val in time.split()[5]:
> >>              for key, val in hours.split(':')[0]:
> >>                  count[hours] = count.get(hours, 0) + 1 # counter
> >>
> >> lst = [(val,key) for key,val in count.items()]
> >> lst.sort(reverse=True)
> >>
> >> for key, val in lst[:12] :
> >>      print key, val
> >>
> >>
> >> ---------------------------------------------------------------------------
> >> Regards,
> >> Hal
> >>
> > I'm baffled as to why you now have a nested 'for' loop 3 levels deep!
> >
> > --
> > https://mail.python.org/mailman/listinfo/python-list
>
>



More information about the Python-list mailing list