faces.py

import random

faces = [
  ### .. some faces
]

@hook.command
def faces(inp):
    ".faces <n> -- some faces"

    f = []
    facelimit = len(facelist) - 1
    for x in xrange(0, int(inp)):
        face = facelist[random.randint(0, facelimit)]
        f += [face]

    return " ".join(f)