Fixing dates - 2

from date import test_date
import re

def fix_date2(date):
    return re.sub(r'-(\d)-', r'-0\1', date)

test_date(fix_date2)

Output:

      old: 2010-07-5
      new: 2010-07-5
 expected: 2010-07-05

      old: 2010-11-5
      new: 2010-11-5
 expected: 2010-11-05

      old: 2010-7-15
      new: 2010-0715
 expected: 2010-07-15

      old: 2010-7-5
      new: 2010-075
 expected: 2010-07-05