gistfile1.py

#let's count the number of possible combinations
import string
#domain names can consist of letters, numbers plus dash https://en.wikipedia.org/wiki/Punycode
chars = list(string.lowercase + string.digits + '-')
#count che number of possible symbols
tt = len(chars)
from collections import defaultdict
maxcombinations = defaultdict(int)
for i in range (1,15):
    maxcombinations[i] = (tt ** i)
for length, count in maxcombinations.items():
#let's print the pyramid what we got (I decide to stop at 14 symbols)
    print "Number of symbols ", length, ", combinations :", count