[Tutor] sorting and writing to data file

[spir]

On 02/02/2014 04:08 AM, adrian wrote:
> Hello community,
>
> Newbie here.  I have a data (.dat) file with integers (2,9,1,5,7,3,9) in it just
> as shown.
> My instructions are to sort the numbers and rewrite them back to the data file.
>
> *here is my code:**
> *
> lab3int=[2,9,1,5,7,3,9]
> lab3int.sort()
> print(lab3int)
> lab3int=open('lab3int.dat','w')
> lab3int.write()
> lab3int.close()
>
> *here is my error message:*
>
> [1, 2, 3, 5, 7, 9, 9]
> Traceback (most recent call last):
>    File "lab3int.py", line 5, in <module>
>      lab3int.write()
> TypeError: function takes exactly 1 argument (0 given)
>
>
> I know that it is telling me that my error is in line #5.  If I put anything in
> the () for lab3int.write function, then that appears in my data file.  however,
> I am looking to just put the re-sorted integers back into the data file without
> having to manually type each integer manually.  Is there something that i can
> put into the lab3int.write() to make that happen?
>
> Hope my problem is clear, Thanks people

Do you realise you are calling two different very objects, a list of nums and a 
file, with the same name 'lab3int'?

d