exercises 8

flyhigher139 · flyhigher139 · commit fef90d9a6255 · 2016-08-21T14:19:26.000+08:00
diff --git a/exercises_8.py b/exercises_8.py
@@ -0,0 +1,69 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+
+'''
+Make a two-player Rock-Paper-Scissors game. 
+(Hint: Ask for player plays (using input), compare them, print out a message of congratulations to the winner, and ask if the players want to start a new game)
+
+
+Remember the rules:
+
+Rock beats scissors
+Scissors beats paper
+Paper beats rock
+'''
+
+
+rule = {
+    'rock': 'paper',
+    'paper': 'scissors',
+    'scissors': 'rock'
+}
+
+results = {
+    0: 'Same input',
+    1: 'playerA wins!',
+    2: 'playerB wins!'
+}
+
+def validate_input(val):
+    if val in rule.keys():
+        return True
+    return False
+
+def valid_input_factory(player):
+    val = raw_input('Input for {0}: '.format(player)).lower()
+    while not validate_input(val):
+        print 'Invalid input, input again...'
+        val = raw_input('Input for {0}: '.format(player)).lower()
+
+    return val
+
+
+def compare(input_a, input_b):
+    if input_a == input_b:
+        result = 0
+    elif rule[input_b] == input_a:
+        result = 1
+    else:
+        result = 2
+    return result
+
+def game():
+    play_flag = 'yes'
+    while not play_flag=='quit':
+        print 'Choices for input: rock, paper, scissor'
+        input_a = valid_input_factory('playerA')
+        input_b = valid_input_factory('playerB')
+
+        print 'player_A: {0}'.format(input_a), 'player_B: {0}'.format(input_b)
+
+        res = compare(input_a, input_b)
+        print results[res]
+
+        play_flag = raw_input('Press <quit> to quit the game. \nPress any thing else to continue...')
+
+
+if __name__ == '__main__':
+    game()
+
