newbie question(file-delete trailing comma)

[kavitha thankaian]

i get an error when i try to delete in file and rename it as out file,,the error says
  "permission denied".
   
  actually i need something like following:
   
  in_file = open('in.txt','w')
for line in in_file:
    line.strip().strip(',')
   
  but when i run the above code,i get an error"bad file descriptor"
   
  thanks,,
   
  kavitha
   
  

Mohammad Tayseer <m_tayseer82 at yahoo.com> wrote:
  kavitha thankaian <kavithapython at yahoo.co.in> wrote:
> and i need the output also in the same input.txt

just add

import os
os.remove('in.txt')
os.rename('out.txt', 'in.txt')
    
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