Spaceship exercise completed in Python

spaceship.py

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+class Spaceship:
+
+    def __init__(self):
+        self.thirst = 50
+        self.work = 50
+        self.horde = 50
+        self.hunger = 50
+        self.receipts = 50
+        self.stable = True
+        self.total = 0
+
+    def drink(self):
+        self.thirst -= 10
+        self.work += 2
+
+    def deliver(self):
+        self.work += 8
+        self.receipts += 4
+
+    def steal(self):
+        self.horde += 10
+        self.work += 7
+
+    def eat(self):
+        self.hunger -= 10
+        self.work += 2
+
+    def account(self):
+        self.receipts -= 10
+        self.horde -= 10
+
+    def thirst_level(self):
+        if self.thirst < 50:
+            self.total += 7
+        elif self.thirst >= 60:
+            self.total -= 7
+
+    def horde_level(self):
+        if self.horde > 80:
+            self.total += 5
+        elif self.horde <= 80:
+            self.total -= 1
+
+    def work_level(self):
+        if self.work < 70:
+            self.total += 1
+        elif self.work >= 70:
+            self.total -= 1
+
+    def hunger_level(self):
+        if self.hunger > 60:
+            self.total -= 1
+        elif self.hunger <= 60:
+            self.total -= 1
+
+    def receipt_level(self):
+        if self.receipts > 70:
+            self.total += 3
+        elif self.receipts <= 70:
+            self.total -= 3
+
+    def total_score(self):
+        self.thirst_level
+        self.horde_level
+        self.work_level
+        self.receipt_level
+        self.hunger_level
+        return self.total
+
+    def stable(self):
+        if any( [self.thirst > 99, self.work > 99, self.horde < 1, self.hunger > 99, self.receipts < 1] ):
+            return False
+        else:
+            return True
+
+    def check(self):
+        self.alert()
+        if self.stable:
+            return True
+        else:
+            return False
+            print "You lose! Try again!"
+
+    def alert(self):
+        if any( [self.thirst > 90, self.work > 90, self.horde > 90, self.hunger > 90, self.receipts > 90] ):
+            print "Uh oh! Your ship is about to sink. Here's what you need to watch out for. Remember, if any value reaches 100, you're DOOMED!"
+            self.thirst
+            print "Current thirst level: "
+            print self.thirst
+            print "Current work level:"
+            print self.work
+            print "Current hording level: "
+            print self.horde
+            print "Current hunger level: "
+            print self.hunger
+            print "Current receipt level: "
+            print self.receipts
+
+def playGame():
+    game = Spaceship()
+
+    print "All Aboard the Planet Express!"
+    print "What would you like to do?"
+    print "Keep track of your score by typing \"score\" at any time."
+    print "You can also type 'bye' at any time to leave this game :(."
+
+    stop = False
+
+    while stop != True:
+        print "What would you like to do aboard the ship?"
+        action = raw_input("You can type 'eat', 'drink', 'accounting', 'deliver', or 'steal'. ")
+        if action == "bye":
+            stop = True
+            print "Laterz."
+        else:
+            if action == "eat":
+                game.eat()
+                print "You ate something! Your belly is fuller, but it required work!"
+            elif action == "drink":
+                game.drink()
+                print "You drank something! You're less thirsty, but it required some work!"
+            elif action == "accounting":
+                game.account()
+                print "You did some accounting! Boring! That was a lot of work!"
+            elif action == "deliver":
+                print "You did some work for once! That required some work!"
+            elif action == "steal":
+                game.steal()
+                print "You stole some stuff! That's awkward."
+            elif action == "score":
+                print "Your total score is: "
+                print game.total_score()
+            else:
+                "I don't understand that command! Try again!"
+        game.check()
+
+playGame()