bear hunt

bear_hunt.py

from collections import OrderedDict

OBSTACLES = OrderedDict([('grass', ("long, wavy", "swishy-swashy")),
                         ('a river', ("deep, cold", "splash-splosh")),
                         ('mud', ("thick, oozy", "squelch-squerch")),
                         ('a forest', ("big, dark", "stumble-trip"))])

def hunting_anthem():
    print("We're going on a bear hunt, &c.")

def bypass(obstacle):
    print("{}!".format(obstacle).capitalize())
    is_countable = obstacle.startswith("a ") or obstacle.startswith("an ")
    article, bare_obstacle = (obstacle.split(None, 1)
                              if is_countable
                              else [None, obstacle])
    adjective_pair, onomatopœia = OBSTACLES[obstacle]
    args = [word for word in [article, adjective_pair, bare_obstacle] if word]
    print("{}.".format(" ".join(args)).capitalize())
    for preposition in ["under", "over"]:
        print("We can't go {} it.".format(preposition))
    print("We've got to go through it!")
    for _ in range(3):
        print("{}!".format(onomatopœia).capitalize())

def main():
    for obstacle in OBSTACLES:
        hunting_anthem()
        print()
        bypass(obstacle)
    print()
    hunting_anthem()

if __name__ == "__main__":
    main()