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Start your free trialpeter xiao
2,626 PointsCouldn't import `Hand`
I do not know why my codes got error. The codes work well in my pydev.
class Hand(list): def init(self, size=0, die_class=D20): super().init() for _ in range(size): self.append(die_class())
@classmethod
def roll(cls, size):
return cls(size=size)
@property
def total(self):
total=0
for i in self:
total += i
return total
hands = Hand.roll(2) hands.total
import random
class Die:
def __init__(self, sides=2):
if sides < 2:
raise ValueError("Can't have fewer than two sides")
self.sides = sides
self.value = random.randint(1, sides)
def __int__(self):
return self.value
def __add__(self, other):
return int(self) + other
def __radd__(self, other):
return self + other
class D20(Die):
def __init__(self):
super().__init__(20)
import list
from dice import D20
class Hand(list):
def __init__(self, size, die_class):
super().__init__()
for _ in range(size):
self.append(die_class())
@classmethod
def roll(cls, size):
return cls(size=size, die_class=D20)
@property
def total(self):
sum=0
for i in self:
sum += i
return sum
hands = Hand.roll(2)
hands.total
2 Answers
peter xiao
2,626 Pointsclean the codes, and still got " Bummer! Try again!" for the following code
class Hand(list): @property def total(self): return sum(self)
def __init__(self, size=0, die_class=None):
if not die_class:
raise ValueError("You must provide a die class")
super().__init__()
for _ in range(size):
self.append(die_class())
@classmethod
def roll(cls, size):
return cls(size=size, die_class=D20)
Steven Parker
231,236 PointsYou're almost there.
- don't import "list", it's a built-in
- just define "Hand", don't call it yourself (the challenge does that)
Also, your "total" method is good, but you didn't need to replace it. In general, you should do only what the challenge asks but nothing extra. That "extra" stuff might work in the IDE but can throw the challenge.
Steven Parker
231,236 PointsSteven Parker
231,236 PointsYou "cleaned" a bit too much, you need to put this back in: "
from dice import D20
".