Randomize Roles

import argparse
from random import shuffle


def randomize_roles(names, roles, outputName):
    print u'Shuffling roles...'
    shuffle(roles)
    with open(outputName, 'w') as outputFile:
        for name, role in zip(names, roles):
            line = u'{name} the {role}'.format(name=name, role=role)
            print line
            outputFile.write(line + u'\n')

def get_names_and_roles(namesFile, rolesFile):
    roleList, nameList = [], []
    with open(rolesFile, 'r') as roles, open(namesFile, 'r') as names:
        for name in names:
            role = roles.readline().strip()
            name = name.strip()
            nameList.append(name)
            roleList.append(role)
    return nameList, roleList

if  __name__ == "__main__":
    parser = argparse.ArgumentParser()
    parser.add_argument("--namesFile", default="names.txt", help="Name of the file containing list of players. Each new line must contain only the name of a player. default: %(default)s")
    parser.add_argument("--rolesFile", default="roles.txt", help="Name of the file containing the list of roles. This file must contain the same number of lines as nameFile. default: %(default)s")
    parser.add_argument("--outputFile", default="assignment.txt", help="Name of the output file. Will be created if it does not exist. Overwritten if it does exist. default: %(default)s")
    args = parser.parse_args()
    names, roles = get_names_and_roles(args.namesFile, args.rolesFile)
    randomize_roles(names, roles, args.outputFile)