Split a list using python and reformat it in a single column fomat

split_list.py

'''
To convert zipcodes
-------------------
From the output on: http://www.freemaptools.com/find-zip-codes-inside-radius.htm 
to a list of strings to use as a filter in SQL.

Change data initially in this format:
1111,2222,3333

To this format:
,'1111'
,'2222'
,'3333'

'''

with open('scottsdale_new.txt', 'w') as n:
    with open('scottsdale.txt', 'r') as f:
        for line in f:
            zips = line.split(",")
            for z in zips:
                n.write(",'"+z+"'\n")