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853天前class Item: |
def __init__(self,name,**kwargs): |
self.name = name |
self._spec = kwargs |
def __repr__(self): |
return '{} = {}'.format(self.name,self._spec) |
class Cart: |
def __init__(self): |
self.items = [] |
def __len__(self): |
return len(self.items) |
def additem(self,item): |
self.items.append(item) |
def __add__(self, other): # + |
print(other) |
self.items.append(other) |
return self |
def __getitem__(self, index): #index |
return self.items[index] |
def __setitem__(self, key, value): |
print(key,value) |
self.items[key] = value |
# self[key] = value |
def __iter__(self): |
return iter(self.items) |
# def __missing__(self, key): |
# print("key="+key) |
def __repr__(self): |
return str(self.items) |
cart = Cart() |
