Please help with problem creating class

member thudfoo thudfoo at opensuse.us
Sat Apr 18 21:35:22 CEST 2009


Correction:

On 4/18/09, member thudfoo <thudfoo at opensuse.us> wrote:
> On 4/18/09, auzarski2008 at gmail.com <auzarski2008 at gmail.com> wrote:
>  > Hi I have been working on a homework assignment that I am having a lot
>  >  of trouble with.  I am so frustrated because every time I think I am
>  >  getting close to figuring it out there is another problem.   If you
>  >  could look at this and tell me what I am doing wrong I would very much
>  >  appreciate it....
>  >
>  >  import string
>  >
>  >  from datetime import date
>  >
>  >
>  >
>  >  class Leaderapplicant:
>  >
>  >
>  >
>  >         def __init__(self, line):
>  >
>  >                 #convert the lines of data into fields and removes
>  >  \n
>  >
>  >                 line = line.rstrip("\n")
>  >
>  >                 appname, leadername, start, end = line.split("\t")
>  >
>
> [...]
>
>
>  >
>  >  I am using tab separated data in another file that looks like this...
>  >
>  >
>  >  appname1   leadername1    2005, 02, 02    2006, 02, 02
>  >  appname2   leadername2    2006, 03, 21    2007, 06, 28
>  >
>  >  etc...
>  >
>  >  The error message looks like this....
>  >
>  >   back (most recent call last):
>  >   File "/home/amy/Documents/LIS452/assignment 3/testworks.py", line
>  >  97, in <module>
>  >     main()
>  >   File "/home/amy/Documents/LIS452/assignment 3/testworks.py", line
>  >  80, in main
>  >     a = Leaderapplicant(line) #from data file
>  >   File "/home/amy/Documents/LIS452/assignment 3/testworks.py", line 9,
>  >  in __init__
>  >     appname, leadername, start, end = line.split("\t")
>  >  ValueError: need more than 3 values to unpack
>  >
>  >  Any help would be greatly appreciated.  I have spent so much time on
>  >  this that I am behind not only in this class but in other classes as
>  >  well.
>  >
>
>
> Immediately before line 9 put the following line:
>
>     print line.split("\t")
>
>  Now run it again and see how many values are in  the list that is
>  printed. Your code expects that there will be exactly four.
>



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