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Start your free trialLukas Straumann
Python Web Development Techdegree Student 9,588 PointsHow can I implement the @property decorators to achieve this code challenge hands.py
Hi everyone. I am stucked here. How can I implement the @property decorators to achieve this code challenge hands.py. I think my code is a bit a ball of wool. Thanks for any help.
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, die_class=Die, *args, **kwargs):
if not die_class:
raise ValueError("Must provide a class")
super().__init__(sides=20)
'''
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)
#print('here in Die me: ', self.value)
def __int__(self):
return self.value
def __add__(self, other):
return int(self) + other
def __radd__(self, other):
return self + other
def __repr__(self):
return str(self.value)
'''
class D20(Die):
def __init__(self, die_class=Die, *args, **kwargs):
if not die_class:
raise ValueError("Must provide a Die class")
super().__init__(sides=20)
print('here in D20 me:', self.value)
'''
class D20(Die):
def __init__(self, value=0):
super().__init__(sides=20)
'''
class Hand(list):
@property
def total(self):
return sum(self)
'''
class Hand(list): # get back an instance of Hand with two D20s rolled in it.
def __init__(self, size=1, die_class=None, *args, **kwargs):
if not die_class:
raise ValueError("Must provide a class")
super().__init__()
self.rolls = []
for _ in range(size):
self.append(die_class())
#@staticmethod
def roll(self):
return Roll(size=self,die_class=D20)
#@property
def total(self):
print('self in total: ',self)
return sum(self)
class Roll(Hand):
def __init__(self, size=0, die_class=Die, *args, **kwargs):
super().__init__(size=size, die_class=die_class, *args, **kwargs)
1 Answer
Justin Walters
PHP Development Techdegree Student 18,894 PointsUse @classmethod to create the roll method.