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Jun 25th, 2018

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Python 2.73 KB | None | 0 0

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#! /usr/bin/env python3
'''
scissors cuts paper
paper covers rock
rock crushes lizard
lizard poisons Spock
Spock smashes scissors
scissors decapitates lizard
lizard eats paper
paper disproves Spock
Spock vaporizes rock
rock crushes scissors
'''
from random import choice
import readline
RULES = list(map(str.split, __doc__.lower().strip().split('\n')))
OPTIONS = ({winner for winner, verb, loser in RULES}
| {loser for winner, verb, loser in RULES})
PROMPT = "Please select: " + ', '.join(sorted(OPTIONS)) + '\n'
################################################################################
def test(a, b, rules=RULES):
a, b = a.lower(), b.lower()
for rule in rules:
winner, verb, loser = rule
if (a, b) == (winner, loser): return a, ' '.join(rule)
if (b, a) == (winner, loser): return b, ' '.join(rule)
################################################################################
if __name__ == '__main__':
print(__doc__)
print()
try:
while True:
user = None
while user not in OPTIONS:
user = input(PROMPT).lower()
machine = choice(list(OPTIONS))
try:
winner, rule = test(user, machine)
result = 'you win' if user == winner else 'you lose'
print(user, 'v.', machine, '->', result, '\t(%s)' % rule)
except: print('tie')
print()
except EOFError: pass

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