what's the output from
print ("\nRTR List: ",rtrlist)
print ("\nINT List: ",ilist)
print ("\nDESC List: ",dlist)
print ("\nBUN List: ",blist)and there is no need of line 69 updatecsv.close() - you are using with context manager so it will take care to close the file
If you can't explain it to a six year old, you don't understand it yourself, Albert Einstein
How to Ask Questions The Smart Way: link and another link
Create MCV example
Debug small programs
How to Ask Questions The Smart Way: link and another link
Create MCV example
Debug small programs
