Making silly phrases out of initials

nrrb.py

from random import choice
from functools import reduce


with open('mobypos.txt', 'r', encoding='latin1') as f:
    moby_words = [line.strip() for line in f.readlines()]

words = [dict(zip(['word', 'pos'], moby_word.split('\\'))) for moby_word in moby_words]
pos_key = {
	'Noun':                    'N',
	'Plural':                  'p',
	'Noun Phrase':             'h',
	'Verb (usu participle)':   'V',
	'Verb (transitive)':       't',
	'Verb (intransitive)':     'i',
	'Adjective':               'A',
	'Adverb':                  'v',
	'Conjunction':             'C',
	'Preposition':             'P',
	'Interjection':            '!',
	'Pronoun':                 'r',
	'Definite Article':        'D',
	'Indefinite Article':      'I',
	'Nominative':              'o'
}
pos_words = lambda pos: list(filter(lambda w: pos_key[pos] in w['pos'], words))

words_by_first_letter = lambda word_list, first_letter: list(filter(lambda word: word['word'][0] == first_letter, word_list))


# we'll either have:
# N - Interjection!
# R - Adverb
# R - Verb
# B - Noun
# or
# N - Adjective
# R - Adverb
# R - Verb
# B - Noun
bloop = lambda pos, first_letter: [w['word'] for w in words_by_first_letter(pos_words(pos), first_letter)]

nrrb_string = lambda: ' '.join(map(lambda w: w.capitalize(), map(choice, 
    [[w + '!' for w in bloop('Interjection', 'n')] + bloop('Adjective', 'n'), 
      bloop('Adverb', 'r'), 
      bloop('Verb (usu participle)', 'r'),
      bloop('Noun', 'b')])))

jsh_words = [[w + '!' for w in bloop('Interjection', 'j')],
     bloop('Adjective', 's'),
     bloop('Noun', 'h')]

print(reduce(lambda x,y: x*y, map(len, jsh_words)), ' combinations for JSH!')

jsh_string = lambda: ' '.join(map(lambda w: w.capitalize(), 
    map(choice, jsh_words)))

for _ in range(100):
    print(jsh_string())