Mine

#!/usr/bin/python
import itertools
#itertools.chain(*listOfLists)
from math import sqrt

def distance():
    table = [[round(sqrt(abs(col - 4)**2 + (abs(row - 4)**2)),1) for row in range(9)] for col in range(9)]
    reftable = [[str(col) + "," + str(row) for row in range(9)] for col in range(9)]

    for y in range(9):
	for x in range(9):
	    print table[x][y],
	
	print "\n",

    print "\n",
    
    for y in range(9):
	for x in range(9):
	    print reftable[x][y],
	
	print "\n",
    
    print "\n",
    print table

def drawnums():
    for y in range(9):
	for x in range(9):
	    print str(x) + "," + str(y),
	print "\n",

distance()