random password generator

import sys
import random

def generatepwd(length):
    print type(length)
    #output = 'miamcomicalhostagi#cpasswordphrase'[1:length]
    outputlist = getasciichars()
    outputstring = ''.join(outputlist)
    return outputstring

def getasciichars():
    mylist = []
    for x in range(32,126):
        mylist.append(ord(chr(x)))
    print mylist
    print '[%s]' % ', '.join(map(str, mylist))
    outputlist = []
    for x in range(0,length):
        outputlist.append(chr(random.choice(mylist)))
    return outputlist


if len(sys.argv) > 1:
    length = int(sys.argv[1])
    if length < 8:
        length = 8
    elif length > 20:
        length = 20
else:
    length = 8

print "Length of password " + str(length) + " password " + generatepwd(length)