Modify query_player to work with move representations that are strings

chiragvartak · chiragvartak · commit 128cf360508a · 2016-03-14T01:26:08.000+05:30
diff --git a/games.py b/games.py
@@ -137,7 +137,12 @@ def min_value(state, alpha, beta, depth):
 def query_player(game, state):
     "Make a move by querying standard input."
     game.display(state)
-    return eval(input('Your move? '))
+    move_string = input('Your move? ')
+    try:
+        move = eval(move_string)
+    except NameError:
+        move = move_string
+    return move
 
 
 def random_player(game, state):
