Simplify goals interface, remove .

play.py

@@ -1,4 +1,4 @@
-from yahtzee import Yachtzee
+from yahtzee import Yahtzee
 from yahtzee_goals import (
     GoalOnes, 
     GoalTwos, 
@@ -11,5 +11,5 @@ goals = [
     GoalThrees(),
 ]
 
-game = Yachtzee(goals)
+game = Yahtzee(goals)
 game.play()

yahtzee.py

@@ -1,6 +1,6 @@
 from die import Die
 
-class Yachtzee:
+class Yahtzee:
     """A command-line Yahtzee game.
     This version of Yahtzee is initialized with a list of goals.
     """
@@ -11,6 +11,9 @@ class Yachtzee:
 
     def play(self):
         print("Welcome to Yachtzee!")
+        self.score = 0
+        for goal in self.goals:
+            goal.used = False
         while self.count_unused_goals() > 0:
             self.play_round()
         print(f"Your final score was {self.score}")

yahtzee_goals.py

@@ -1,7 +1,6 @@
 
 class GoalOnes:
     "One point for each one"
-    used = False
 
     def prompt(self, dice):
         potential_score = self.score(dice)
@@ -16,7 +15,6 @@ class GoalOnes:
 
 class GoalTwos:
     "Two points for each two"
-    used = False
 
     def prompt(self, dice):
         potential_score = self.score(dice)
@@ -31,7 +29,6 @@ class GoalTwos:
 
 class GoalThrees:
     "Three points for each three"
-    used = False
 
     def prompt(self, dice):
         potential_score = self.score(dice)