Update arcade_game.py

exercises/concept/ghost-gobble-arcade-game/arcade_game.py

@@ -2,39 +2,53 @@
 
 
 def eat_ghost(power_pellet_active, touching_ghost):
+    if power_pellet_active and touching_ghost:
+        return True
+    else:
+        return False
+
     """Verify that Pac-Man can eat a ghost if he is empowered by a power pellet.
 
     :param power_pellet_active: bool - does the player have an active power pellet?
     :param touching_ghost: bool - is the player touching a ghost?
     :return: bool - can a ghost be eaten?
     """
 
-    pass
 
 
 def score(touching_power_pellet, touching_dot):
+    if touching_power_pellet or touching_dot:
+        return True
+    else:
+        return False
     """Verify that Pac-Man has scored when a power pellet or dot has been eaten.
 
     :param touching_power_pellet: bool - is the player touching a power pellet?
     :param touching_dot: bool - is the player touching a dot?
     :return: bool - has the player scored or not?
     """
 
-    pass
-
-
 def lose(power_pellet_active, touching_ghost):
+    if not power_pellet_active and touching_ghost:
+        return True
+    else:
+        return False
+
     """Trigger the game loop to end (GAME OVER) when Pac-Man touches a ghost without his power pellet.
 
     :param power_pellet_active: bool - does the player have an active power pellet?
     :param touching_ghost: bool - is the player touching a ghost?
     :return: bool - has the player lost the game?
     """
 
-    pass
+
 
 
 def win(has_eaten_all_dots, power_pellet_active, touching_ghost):
+    if has_eaten_all_dots and power_pellet_active and touching_ghost:
+        return True
+    else:
+        return False
     """Trigger the victory event when all dots have been eaten.
 
     :param has_eaten_all_dots: bool - has the player "eaten" all the dots?
@@ -43,4 +57,4 @@ def win(has_eaten_all_dots, power_pellet_active, touching_ghost):
     :return: bool - has the player won the game?
     """
 
-    pass
+