names_generator.py

from random import choice

MALE_NAMES_FILE = 'dist.male.first'
FEMALE_NAMES_FILE = 'dist.female.first'
LAST_NAMES_FILE = 'dist.all.last'

if __name__ == '__main__':
    MALE_NAMES = list(line.split()[0] for line in open(MALE_NAMES_FILE))
    FEMALE_NAMES = list(line.split()[0] for line in open(FEMALE_NAMES_FILE))
    LAST_NAMES = list(line.split()[0] for line in open(LAST_NAMES_FILE))

    randbool = lambda: choice((True, False))
    randgender = lambda: choice((MALE_NAMES, FEMALE_NAMES))

    for _ in range(100):
        fullname = []
        # gender for this name
        GENDER_NAMES = randgender()
        # choose first name
        fullname.append(choice(GENDER_NAMES))
        # maybe choose second name
        if randbool():
            fullname.append(choice(GENDER_NAMES))
        # choose last name
        fullname.append(choice(LAST_NAMES))
        # maybe choose second last name
        if randbool():
            fullname.append(choice(LAST_NAMES))

        # print capitalized
        print ' '.join(map(str.capitalize, fullname))