get_new_name.py

import random
from maya import cmds

def get_new_name(prefix, suffixes):
    names = []
    rand_value = random.randrange(10000, 20000)

    for suffix in suffixes:
        names.append("{}_{}_{}".format(prefix, rand_value, suffix))

    return names


result1 = get_new_name("FFS", ["high", "low"])
result2 = get_new_name("FFS", ["high", "low"])
result3 = get_new_name("abc", ["high", "mid", "low"])

print result1
print result2
print result3