Token generator in python (1,0,o,O,i,I,l,L) eliminated, all 54 other alphanumerics used

gistfile1.py

#!/usr/bin/env python

import string
import random

tchars = "abcdefghjkmnpqrstuvwxyZABCDEFGHJKMNPQRSTUVWXYZ23456789"

def token(length):
    return ''.join(random.choice(tchars) for _ in range(length))

print(token(6))
print(token(8))
print(token(10))
print(token(12))
print(token(14))
print(token(16))