def main():
"""Generate a poem."""
args = _parse_args()
markov = Markov(args.order)
if args.filename is None:
print('No filename provided')
return
# Read the file and add its contents to the Markov model.
with open(args.filename) as corpus_f:
markov.add_poem(corpus_f.read())
# Create a generator from the model with the given randomness.
generator = markov.make_generator(args.randomness)
for _ in range(args.number):
print(generator.generate_formatted())
print()
