finalize adding bets, printing them out in a pretty way

app.py

@@ -8,7 +8,7 @@ from pyroulette import (
     Strategy,
     expected,
     generate_players,
-    init_bet,
+    init_spread,
     interpret_bet,
     place_bet,
     simulate_games,

pyroulette/roulette.py

@@ -11,7 +11,7 @@ import json
 # Bet = Dict[int, float]
 
 
-def init_bet() -> Dict[int, float]:
+def init_spread() -> Dict[int, float]:
     """
     Initializes a bet with all individual placements set to 0.
 
@@ -43,24 +43,30 @@ def combine_bets(bet_1: Bet, bet_2: Bet) -> Bet:
         The combined bet.
     """
     # TODO: can remove the default 0.
-    return {k: bet_1.get(k, 0) + bet_2.get(k, 0) for k in set(bet_1) | set(bet_2)}
+    return Bet({k: bet_1[k] + bet_2[k] for k in set(bet_1) | set(bet_2)})
 
 
 
 @dataclass
 class Bet:
     """A class for representing a bet."""    
-    spread: Dict[int, float] = field(default_factory=init_bet)
+    spread: Dict[int, float] = field(default_factory=init_spread)
+
+    @property
+    def __nonzeros__(self) -> Dict[int, float]:
+        nonzeros = dict(filter(lambda x: x[1] > 0, self.spread.items()))
+        nonzeros = {k: round(v, 2) for k, v in nonzeros.items()}
+        if -1 in nonzeros:
+            nonzeros["00"] = nonzeros.pop(-1)
+        return nonzeros
 
     def __repr__(self) -> str:
         """Return a string representation of the bet."""
-        nonzeros = dict(filter(lambda x: x[1] > 0, self.spread.items()))
-        return f"Bet({nonzeros})"
+        return f"Bet({self.__nonzeros__})"
 
     # define the appearance when using print
     def __str__(self) -> str:
-        nonzeros = dict(filter(lambda x: x[1] > 0, self.spread.items()))
-        return json.dumps(nonzeros, indent=4)
+        return json.dumps(self.__nonzeros__, indent=4)
 
     def __dict__(self) -> Dict[int, float]:
         """Return the bet as a dictionary."""
@@ -68,7 +74,7 @@ class Bet:
 
     def __add__(self, other: Bet) -> Bet:
         """Combine two bets."""
-        return Bet(combine_bets(self.spread, other.spread))
+        return combine_bets(self, other)
 
     def __setitem__(self, __name: int, __value: float) -> None:
         """Set the value of a placement."""
@@ -82,6 +88,12 @@ class Bet:
         """Return a copy of the bet."""
         return Bet(self.spread.copy())
 
+    def __iter__(self):
+        return iter(self.spread.keys())
+    
+    def get(self, __name: int) -> float:
+        return self.spread.get(__name, 0)
+
 
 SINGLE_BETS = {str(i) for i in range(-1, 37)}
 
@@ -191,7 +203,7 @@ def interpret_bet(on="red", amount=0, bet=Optional[Bet]) -> Bet:
         on in ALIASES
     ), f"Bet `{on}` not understood. Choose from feasible moves:\n {FEASIBLE_MOVES}"
     if bet is None:
-        bet = init_bet()
+        bet = Bet()
     else:
         bet = bet.copy()
     REDS = {1, 3, 5, 7, 9, 12, 14, 16, 18, 19, 21, 23, 25, 27, 30, 32, 34, 36}
@@ -403,7 +415,7 @@ class Strategy:
         return reduce(
             lambda bet, placement: combine_bets(bet, placement.bet()),
             placements,
-            {},
+            Bet(),
         )
 
 

strategy.py

@@ -1,7 +1,12 @@
 from pyroulette.roulette import Placement, Strategy, Bet
 
 if __name__ == "__main__":
+    print(Bet({-1: 1}).__repr__())  # this should print with 00
+    print('get test')
+    print(Bet({0: 1})[21])
+    print(Bet({21: 1})[21])
+    print('sum test')
     print(Bet({0: 1}) + Bet({0: 1}))
-    print(Bet({0: 1}).__repr__())
     print(Bet({0: 1}) + Bet())
-    print(Strategy(placements=[Placement(1, 10, "red"), Placement(2, 10, "black")]).get_bet())
+    # this should return 1's in everything but 0 and -1.
+    print(Strategy(placements=[Placement(18, 1, "red"), Placement(18, 1, "black")]).get_bet())