Python write a new csv file by filtering selected rows from an existing csv file

Question

just a question, I was trying to write selected rows from a .csv file to a new .csv file, but there is an error.

The test.csv file that I was trying to read is like this

Answer 1

Use string.find or regular expressions to find a substring in a string.

So instead of

if (rad_line.has_key('2014')):

you can do:

if (rad_line.find('2014') <> -1):