multiplication table in python

multtab.py

import math

def multtab(n):
    width = 1 + int(math.ceil(math.log(n)/math.log(10)))
    format_str = '%' +  str(width) + "d"
    for row in range(1,n+1):
        for col in range(1,n+1):
            print format_str % (row * col),
        print

if __name__ == "__main__":
    multtab(9)